Home / 6,731.20-9,288.56-3,746.96

Finding the Fourth Proportional to 6,731.20, 9,288.56 and 3,746.96

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Solution

The fourth proportional to 6,731.20, 9,288.56 and 3,746.96 is: 5,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.20 : 9,288.56 = 3,746.96 : x
  2. Step 2: Convert to fraction form
    6,731.20/9,288.56 = 3,746.96/x
  3. Step 3: Cross multiply
    6,731.20x = 9,288.56 × 3,746.96
  4. Step 4: Simplify right side
    6,731.20x = 34,803,862.78
  5. Step 5: Solve for x
    x = 34,803,862.78/6,731.20
  6. Step 6: Final answer
    x = 5,170.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.