Home / 3,531.19-4,872.84-2,039.17

Finding the Fourth Proportional to 3,531.19, 4,872.84 and 2,039.17

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Solution

The fourth proportional to 3,531.19, 4,872.84 and 2,039.17 is: 2,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.19 : 4,872.84 = 2,039.17 : x
  2. Step 2: Convert to fraction form
    3,531.19/4,872.84 = 2,039.17/x
  3. Step 3: Cross multiply
    3,531.19x = 4,872.84 × 2,039.17
  4. Step 4: Simplify right side
    3,531.19x = 9,936,549.14
  5. Step 5: Solve for x
    x = 9,936,549.14/3,531.19
  6. Step 6: Final answer
    x = 2,813.94

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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.