Home / 6,248.67-8,621.56-3,729.75

Finding the Fourth Proportional to 6,248.67, 8,621.56 and 3,729.75

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Solution

The fourth proportional to 6,248.67, 8,621.56 and 3,729.75 is: 5,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.67 : 8,621.56 = 3,729.75 : x
  2. Step 2: Convert to fraction form
    6,248.67/8,621.56 = 3,729.75/x
  3. Step 3: Cross multiply
    6,248.67x = 8,621.56 × 3,729.75
  4. Step 4: Simplify right side
    6,248.67x = 32,156,263.41
  5. Step 5: Solve for x
    x = 32,156,263.41/6,248.67
  6. Step 6: Final answer
    x = 5,146.10

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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.