Home / 6,915.92-10,366.58-3,445.88

Finding the Fourth Proportional to 6,915.92, 10,366.58 and 3,445.88

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Solution

The fourth proportional to 6,915.92, 10,366.58 and 3,445.88 is: 5,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.92 : 10,366.58 = 3,445.88 : x
  2. Step 2: Convert to fraction form
    6,915.92/10,366.58 = 3,445.88/x
  3. Step 3: Cross multiply
    6,915.92x = 10,366.58 × 3,445.88
  4. Step 4: Simplify right side
    6,915.92x = 35,721,947.47
  5. Step 5: Solve for x
    x = 35,721,947.47/6,915.92
  6. Step 6: Final answer
    x = 5,165.18

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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.