Home / 6,248.53-8,620.90-4,125.12

Finding the Fourth Proportional to 6,248.53, 8,620.90 and 4,125.12

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Solution

The fourth proportional to 6,248.53, 8,620.90 and 4,125.12 is: 5,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.53 : 8,620.90 = 4,125.12 : x
  2. Step 2: Convert to fraction form
    6,248.53/8,620.90 = 4,125.12/x
  3. Step 3: Cross multiply
    6,248.53x = 8,620.90 × 4,125.12
  4. Step 4: Simplify right side
    6,248.53x = 35,562,247.01
  5. Step 5: Solve for x
    x = 35,562,247.01/6,248.53
  6. Step 6: Final answer
    x = 5,691.30

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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.