Home / 7,182.52-10,777.22-3,719.76

Finding the Fourth Proportional to 7,182.52, 10,777.22 and 3,719.76

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Solution

The fourth proportional to 7,182.52, 10,777.22 and 3,719.76 is: 5,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.52 : 10,777.22 = 3,719.76 : x
  2. Step 2: Convert to fraction form
    7,182.52/10,777.22 = 3,719.76/x
  3. Step 3: Cross multiply
    7,182.52x = 10,777.22 × 3,719.76
  4. Step 4: Simplify right side
    7,182.52x = 40,088,671.87
  5. Step 5: Solve for x
    x = 40,088,671.87/7,182.52
  6. Step 6: Final answer
    x = 5,581.42

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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.