Home / 6,471.32-9,705.84-2,088.81

Finding the Fourth Proportional to 6,471.32, 9,705.84 and 2,088.81

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Solution

The fourth proportional to 6,471.32, 9,705.84 and 2,088.81 is: 3,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.32 : 9,705.84 = 2,088.81 : x
  2. Step 2: Convert to fraction form
    6,471.32/9,705.84 = 2,088.81/x
  3. Step 3: Cross multiply
    6,471.32x = 9,705.84 × 2,088.81
  4. Step 4: Simplify right side
    6,471.32x = 20,273,655.65
  5. Step 5: Solve for x
    x = 20,273,655.65/6,471.32
  6. Step 6: Final answer
    x = 3,132.85

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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.