Home / 3,117.84-4,682.52-2,472.72

Finding the Fourth Proportional to 3,117.84, 4,682.52 and 2,472.72

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Solution

The fourth proportional to 3,117.84, 4,682.52 and 2,472.72 is: 3,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.84 : 4,682.52 = 2,472.72 : x
  2. Step 2: Convert to fraction form
    3,117.84/4,682.52 = 2,472.72/x
  3. Step 3: Cross multiply
    3,117.84x = 4,682.52 × 2,472.72
  4. Step 4: Simplify right side
    3,117.84x = 11,578,560.85
  5. Step 5: Solve for x
    x = 11,578,560.85/3,117.84
  6. Step 6: Final answer
    x = 3,713.65

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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.