Home / 4,266.62-5,887.85-2,378.20

Finding the Fourth Proportional to 4,266.62, 5,887.85 and 2,378.20

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Solution

The fourth proportional to 4,266.62, 5,887.85 and 2,378.20 is: 3,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.62 : 5,887.85 = 2,378.20 : x
  2. Step 2: Convert to fraction form
    4,266.62/5,887.85 = 2,378.20/x
  3. Step 3: Cross multiply
    4,266.62x = 5,887.85 × 2,378.20
  4. Step 4: Simplify right side
    4,266.62x = 14,002,458.26
  5. Step 5: Solve for x
    x = 14,002,458.26/4,266.62
  6. Step 6: Final answer
    x = 3,281.86

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1.5x scale

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.