Home / 2,472.24-3,710.97-1,378.74

Finding the Fourth Proportional to 2,472.24, 3,710.97 and 1,378.74

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Solution

The fourth proportional to 2,472.24, 3,710.97 and 1,378.74 is: 2,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.24 : 3,710.97 = 1,378.74 : x
  2. Step 2: Convert to fraction form
    2,472.24/3,710.97 = 1,378.74/x
  3. Step 3: Cross multiply
    2,472.24x = 3,710.97 × 1,378.74
  4. Step 4: Simplify right side
    2,472.24x = 5,116,462.78
  5. Step 5: Solve for x
    x = 5,116,462.78/2,472.24
  6. Step 6: Final answer
    x = 2,069.57

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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.