Home / 5,887.24-8,122.32-3,646.78

Finding the Fourth Proportional to 5,887.24, 8,122.32 and 3,646.78

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Solution

The fourth proportional to 5,887.24, 8,122.32 and 3,646.78 is: 5,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.24 : 8,122.32 = 3,646.78 : x
  2. Step 2: Convert to fraction form
    5,887.24/8,122.32 = 3,646.78/x
  3. Step 3: Cross multiply
    5,887.24x = 8,122.32 × 3,646.78
  4. Step 4: Simplify right side
    5,887.24x = 29,620,314.13
  5. Step 5: Solve for x
    x = 29,620,314.13/5,887.24
  6. Step 6: Final answer
    x = 5,031.27

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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.