Home / 5,232.40-7,849.85-1,722.47

Finding the Fourth Proportional to 5,232.40, 7,849.85 and 1,722.47

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Solution

The fourth proportional to 5,232.40, 7,849.85 and 1,722.47 is: 2,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.40 : 7,849.85 = 1,722.47 : x
  2. Step 2: Convert to fraction form
    5,232.40/7,849.85 = 1,722.47/x
  3. Step 3: Cross multiply
    5,232.40x = 7,849.85 × 1,722.47
  4. Step 4: Simplify right side
    5,232.40x = 13,521,083.27
  5. Step 5: Solve for x
    x = 13,521,083.27/5,232.40
  6. Step 6: Final answer
    x = 2,584.11

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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.