Home / 5,947.76-8,921.41-1,565.12

Finding the Fourth Proportional to 5,947.76, 8,921.41 and 1,565.12

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Solution

The fourth proportional to 5,947.76, 8,921.41 and 1,565.12 is: 2,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.76 : 8,921.41 = 1,565.12 : x
  2. Step 2: Convert to fraction form
    5,947.76/8,921.41 = 1,565.12/x
  3. Step 3: Cross multiply
    5,947.76x = 8,921.41 × 1,565.12
  4. Step 4: Simplify right side
    5,947.76x = 13,963,095.61
  5. Step 5: Solve for x
    x = 13,963,095.61/5,947.76
  6. Step 6: Final answer
    x = 2,347.62

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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.