Home / 3,144.19-4,339.10-1,885.45

Finding the Fourth Proportional to 3,144.19, 4,339.10 and 1,885.45

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Solution

The fourth proportional to 3,144.19, 4,339.10 and 1,885.45 is: 2,601.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.19 : 4,339.10 = 1,885.45 : x
  2. Step 2: Convert to fraction form
    3,144.19/4,339.10 = 1,885.45/x
  3. Step 3: Cross multiply
    3,144.19x = 4,339.10 × 1,885.45
  4. Step 4: Simplify right side
    3,144.19x = 8,181,156.10
  5. Step 5: Solve for x
    x = 8,181,156.10/3,144.19
  6. Step 6: Final answer
    x = 2,601.99

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,145.19, 4,340.48 and 1,886.45
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.