Home / 3,531.38-4,872.18-2,039.10

Finding the Fourth Proportional to 3,531.38, 4,872.18 and 2,039.10

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Solution

The fourth proportional to 3,531.38, 4,872.18 and 2,039.10 is: 2,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.38 : 4,872.18 = 2,039.10 : x
  2. Step 2: Convert to fraction form
    3,531.38/4,872.18 = 2,039.10/x
  3. Step 3: Cross multiply
    3,531.38x = 4,872.18 × 2,039.10
  4. Step 4: Simplify right side
    3,531.38x = 9,934,862.24
  5. Step 5: Solve for x
    x = 9,934,862.24/3,531.38
  6. Step 6: Final answer
    x = 2,813.31

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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.