Home / 6,475.10-9,719.85-4,012.70

Finding the Fourth Proportional to 6,475.10, 9,719.85 and 4,012.70

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Solution

The fourth proportional to 6,475.10, 9,719.85 and 4,012.70 is: 6,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.10 : 9,719.85 = 4,012.70 : x
  2. Step 2: Convert to fraction form
    6,475.10/9,719.85 = 4,012.70/x
  3. Step 3: Cross multiply
    6,475.10x = 9,719.85 × 4,012.70
  4. Step 4: Simplify right side
    6,475.10x = 39,002,842.10
  5. Step 5: Solve for x
    x = 39,002,842.10/6,475.10
  6. Step 6: Final answer
    x = 6,023.51

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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.