Home / 3,417.72-5,124.96-1,772.61

Finding the Fourth Proportional to 3,417.72, 5,124.96 and 1,772.61

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Solution

The fourth proportional to 3,417.72, 5,124.96 and 1,772.61 is: 2,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.72 : 5,124.96 = 1,772.61 : x
  2. Step 2: Convert to fraction form
    3,417.72/5,124.96 = 1,772.61/x
  3. Step 3: Cross multiply
    3,417.72x = 5,124.96 × 1,772.61
  4. Step 4: Simplify right side
    3,417.72x = 9,084,555.35
  5. Step 5: Solve for x
    x = 9,084,555.35/3,417.72
  6. Step 6: Final answer
    x = 2,658.07

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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.