Home / 1,708.32-2,562.66-734.70

Finding the Fourth Proportional to 1,708.32, 2,562.66 and 734.70

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Solution

The fourth proportional to 1,708.32, 2,562.66 and 734.70 is: 1,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.32 : 2,562.66 = 734.70 : x
  2. Step 2: Convert to fraction form
    1,708.32/2,562.66 = 734.70/x
  3. Step 3: Cross multiply
    1,708.32x = 2,562.66 × 734.70
  4. Step 4: Simplify right side
    1,708.32x = 1,882,786.30
  5. Step 5: Solve for x
    x = 1,882,786.30/1,708.32
  6. Step 6: Final answer
    x = 1,102.13

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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.