Home / 6,139.17-8,471.34-3,450.01

Finding the Fourth Proportional to 6,139.17, 8,471.34 and 3,450.01

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Solution

The fourth proportional to 6,139.17, 8,471.34 and 3,450.01 is: 4,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.17 : 8,471.34 = 3,450.01 : x
  2. Step 2: Convert to fraction form
    6,139.17/8,471.34 = 3,450.01/x
  3. Step 3: Cross multiply
    6,139.17x = 8,471.34 × 3,450.01
  4. Step 4: Simplify right side
    6,139.17x = 29,226,207.71
  5. Step 5: Solve for x
    x = 29,226,207.71/6,139.17
  6. Step 6: Final answer
    x = 4,760.61

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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.