Home / 5,320.79-7,341.94-3,082.86

Finding the Fourth Proportional to 5,320.79, 7,341.94 and 3,082.86

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Solution

The fourth proportional to 5,320.79, 7,341.94 and 3,082.86 is: 4,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.79 : 7,341.94 = 3,082.86 : x
  2. Step 2: Convert to fraction form
    5,320.79/7,341.94 = 3,082.86/x
  3. Step 3: Cross multiply
    5,320.79x = 7,341.94 × 3,082.86
  4. Step 4: Simplify right side
    5,320.79x = 22,634,177.00
  5. Step 5: Solve for x
    x = 22,634,177.00/5,320.79
  6. Step 6: Final answer
    x = 4,253.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.