Home / 6,319.50-8,691.75-5,532.18

Finding the Fourth Proportional to 6,319.50, 8,691.75 and 5,532.18

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Solution

The fourth proportional to 6,319.50, 8,691.75 and 5,532.18 is: 7,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.50 : 8,691.75 = 5,532.18 : x
  2. Step 2: Convert to fraction form
    6,319.50/8,691.75 = 5,532.18/x
  3. Step 3: Cross multiply
    6,319.50x = 8,691.75 × 5,532.18
  4. Step 4: Simplify right side
    6,319.50x = 48,084,325.52
  5. Step 5: Solve for x
    x = 48,084,325.52/6,319.50
  6. Step 6: Final answer
    x = 7,608.88

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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.