Home / 3,074.44-4,242.74-1,677.19

Finding the Fourth Proportional to 3,074.44, 4,242.74 and 1,677.19

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Solution

The fourth proportional to 3,074.44, 4,242.74 and 1,677.19 is: 2,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.44 : 4,242.74 = 1,677.19 : x
  2. Step 2: Convert to fraction form
    3,074.44/4,242.74 = 1,677.19/x
  3. Step 3: Cross multiply
    3,074.44x = 4,242.74 × 1,677.19
  4. Step 4: Simplify right side
    3,074.44x = 7,115,868.40
  5. Step 5: Solve for x
    x = 7,115,868.40/3,074.44
  6. Step 6: Final answer
    x = 2,314.53

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Half scale
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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.