Home / 4,887.12-7,331.43-1,599.42

Finding the Fourth Proportional to 4,887.12, 7,331.43 and 1,599.42

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Solution

The fourth proportional to 4,887.12, 7,331.43 and 1,599.42 is: 2,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.12 : 7,331.43 = 1,599.42 : x
  2. Step 2: Convert to fraction form
    4,887.12/7,331.43 = 1,599.42/x
  3. Step 3: Cross multiply
    4,887.12x = 7,331.43 × 1,599.42
  4. Step 4: Simplify right side
    4,887.12x = 11,726,035.77
  5. Step 5: Solve for x
    x = 11,726,035.77/4,887.12
  6. Step 6: Final answer
    x = 2,399.38

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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.