Home / 3,547.92-5,321.04-1,572.47

Finding the Fourth Proportional to 3,547.92, 5,321.04 and 1,572.47

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Solution

The fourth proportional to 3,547.92, 5,321.04 and 1,572.47 is: 2,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.92 : 5,321.04 = 1,572.47 : x
  2. Step 2: Convert to fraction form
    3,547.92/5,321.04 = 1,572.47/x
  3. Step 3: Cross multiply
    3,547.92x = 5,321.04 × 1,572.47
  4. Step 4: Simplify right side
    3,547.92x = 8,367,175.77
  5. Step 5: Solve for x
    x = 8,367,175.77/3,547.92
  6. Step 6: Final answer
    x = 2,358.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.