Home / 7,560.70-11,345.50-3,177.82

Finding the Fourth Proportional to 7,560.70, 11,345.50 and 3,177.82

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Solution

The fourth proportional to 7,560.70, 11,345.50 and 3,177.82 is: 4,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,560.70 : 11,345.50 = 3,177.82 : x
  2. Step 2: Convert to fraction form
    7,560.70/11,345.50 = 3,177.82/x
  3. Step 3: Cross multiply
    7,560.70x = 11,345.50 × 3,177.82
  4. Step 4: Simplify right side
    7,560.70x = 36,053,956.81
  5. Step 5: Solve for x
    x = 36,053,956.81/7,560.70
  6. Step 6: Final answer
    x = 4,768.60

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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.