Home / 5,673.28-8,510.60-2,387.92

Finding the Fourth Proportional to 5,673.28, 8,510.60 and 2,387.92

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Solution

The fourth proportional to 5,673.28, 8,510.60 and 2,387.92 is: 3,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.28 : 8,510.60 = 2,387.92 : x
  2. Step 2: Convert to fraction form
    5,673.28/8,510.60 = 2,387.92/x
  3. Step 3: Cross multiply
    5,673.28x = 8,510.60 × 2,387.92
  4. Step 4: Simplify right side
    5,673.28x = 20,322,631.95
  5. Step 5: Solve for x
    x = 20,322,631.95/5,673.28
  6. Step 6: Final answer
    x = 3,582.17

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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.