Home / 5,319.68-7,976.52-2,547.02

Finding the Fourth Proportional to 5,319.68, 7,976.52 and 2,547.02

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Solution

The fourth proportional to 5,319.68, 7,976.52 and 2,547.02 is: 3,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.68 : 7,976.52 = 2,547.02 : x
  2. Step 2: Convert to fraction form
    5,319.68/7,976.52 = 2,547.02/x
  3. Step 3: Cross multiply
    5,319.68x = 7,976.52 × 2,547.02
  4. Step 4: Simplify right side
    5,319.68x = 20,316,355.97
  5. Step 5: Solve for x
    x = 20,316,355.97/5,319.68
  6. Step 6: Final answer
    x = 3,819.09

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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.