Home / 5,082.76-7,630.62-4,318.12

Finding the Fourth Proportional to 5,082.76, 7,630.62 and 4,318.12

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Solution

The fourth proportional to 5,082.76, 7,630.62 and 4,318.12 is: 6,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.76 : 7,630.62 = 4,318.12 : x
  2. Step 2: Convert to fraction form
    5,082.76/7,630.62 = 4,318.12/x
  3. Step 3: Cross multiply
    5,082.76x = 7,630.62 × 4,318.12
  4. Step 4: Simplify right side
    5,082.76x = 32,949,932.83
  5. Step 5: Solve for x
    x = 32,949,932.83/5,082.76
  6. Step 6: Final answer
    x = 6,482.69

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1.5x scale

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.