Home / 3,109.14-4,291.11-1,850.25

Finding the Fourth Proportional to 3,109.14, 4,291.11 and 1,850.25

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Solution

The fourth proportional to 3,109.14, 4,291.11 and 1,850.25 is: 2,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.14 : 4,291.11 = 1,850.25 : x
  2. Step 2: Convert to fraction form
    3,109.14/4,291.11 = 1,850.25/x
  3. Step 3: Cross multiply
    3,109.14x = 4,291.11 × 1,850.25
  4. Step 4: Simplify right side
    3,109.14x = 7,939,626.28
  5. Step 5: Solve for x
    x = 7,939,626.28/3,109.14
  6. Step 6: Final answer
    x = 2,553.64

Related Problems

Find fourth proportional to 1,554.57, 2,145.56 and 925.13
Half scale
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Double scale
Find fourth proportional to 3,110.14, 4,292.49 and 1,851.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.