Home / 4,775.87-7,156.86-3,391.91

Finding the Fourth Proportional to 4,775.87, 7,156.86 and 3,391.91

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Solution

The fourth proportional to 4,775.87, 7,156.86 and 3,391.91 is: 5,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.87 : 7,156.86 = 3,391.91 : x
  2. Step 2: Convert to fraction form
    4,775.87/7,156.86 = 3,391.91/x
  3. Step 3: Cross multiply
    4,775.87x = 7,156.86 × 3,391.91
  4. Step 4: Simplify right side
    4,775.87x = 24,275,389.22
  5. Step 5: Solve for x
    x = 24,275,389.22/4,775.87
  6. Step 6: Final answer
    x = 5,082.93

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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.