Home / 4,591.11-6,887.13-4,278.56

Finding the Fourth Proportional to 4,591.11, 6,887.13 and 4,278.56

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Solution

The fourth proportional to 4,591.11, 6,887.13 and 4,278.56 is: 6,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.11 : 6,887.13 = 4,278.56 : x
  2. Step 2: Convert to fraction form
    4,591.11/6,887.13 = 4,278.56/x
  3. Step 3: Cross multiply
    4,591.11x = 6,887.13 × 4,278.56
  4. Step 4: Simplify right side
    4,591.11x = 29,466,948.45
  5. Step 5: Solve for x
    x = 29,466,948.45/4,591.11
  6. Step 6: Final answer
    x = 6,418.26

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1.5x scale

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.