Home / 4,887.30-7,331.52-2,114.66

Finding the Fourth Proportional to 4,887.30, 7,331.52 and 2,114.66

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Solution

The fourth proportional to 4,887.30, 7,331.52 and 2,114.66 is: 3,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.30 : 7,331.52 = 2,114.66 : x
  2. Step 2: Convert to fraction form
    4,887.30/7,331.52 = 2,114.66/x
  3. Step 3: Cross multiply
    4,887.30x = 7,331.52 × 2,114.66
  4. Step 4: Simplify right side
    4,887.30x = 15,503,672.08
  5. Step 5: Solve for x
    x = 15,503,672.08/4,887.30
  6. Step 6: Final answer
    x = 3,172.24

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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.