Home / 1,747.24-2,621.37-706.71

Finding the Fourth Proportional to 1,747.24, 2,621.37 and 706.71

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Solution

The fourth proportional to 1,747.24, 2,621.37 and 706.71 is: 1,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.24 : 2,621.37 = 706.71 : x
  2. Step 2: Convert to fraction form
    1,747.24/2,621.37 = 706.71/x
  3. Step 3: Cross multiply
    1,747.24x = 2,621.37 × 706.71
  4. Step 4: Simplify right side
    1,747.24x = 1,852,548.39
  5. Step 5: Solve for x
    x = 1,852,548.39/1,747.24
  6. Step 6: Final answer
    x = 1,060.27

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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.