Home / 5,887.72-8,121.67-3,675.88

Finding the Fourth Proportional to 5,887.72, 8,121.67 and 3,675.88

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Solution

The fourth proportional to 5,887.72, 8,121.67 and 3,675.88 is: 5,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.72 : 8,121.67 = 3,675.88 : x
  2. Step 2: Convert to fraction form
    5,887.72/8,121.67 = 3,675.88/x
  3. Step 3: Cross multiply
    5,887.72x = 8,121.67 × 3,675.88
  4. Step 4: Simplify right side
    5,887.72x = 29,854,225.33
  5. Step 5: Solve for x
    x = 29,854,225.33/5,887.72
  6. Step 6: Final answer
    x = 5,070.60

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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.