Home / 5,887.59-8,121.50-3,675.75

Finding the Fourth Proportional to 5,887.59, 8,121.50 and 3,675.75

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Solution

The fourth proportional to 5,887.59, 8,121.50 and 3,675.75 is: 5,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.59 : 8,121.50 = 3,675.75 : x
  2. Step 2: Convert to fraction form
    5,887.59/8,121.50 = 3,675.75/x
  3. Step 3: Cross multiply
    5,887.59x = 8,121.50 × 3,675.75
  4. Step 4: Simplify right side
    5,887.59x = 29,852,585.25
  5. Step 5: Solve for x
    x = 29,852,585.25/5,887.59
  6. Step 6: Final answer
    x = 5,070.43

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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.