Home / 3,411.43-4,702.28-2,547.68

Finding the Fourth Proportional to 3,411.43, 4,702.28 and 2,547.68

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Solution

The fourth proportional to 3,411.43, 4,702.28 and 2,547.68 is: 3,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.43 : 4,702.28 = 2,547.68 : x
  2. Step 2: Convert to fraction form
    3,411.43/4,702.28 = 2,547.68/x
  3. Step 3: Cross multiply
    3,411.43x = 4,702.28 × 2,547.68
  4. Step 4: Simplify right side
    3,411.43x = 11,979,881.20
  5. Step 5: Solve for x
    x = 11,979,881.20/3,411.43
  6. Step 6: Final answer
    x = 3,511.69

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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.