Home / 5,887.04-8,121.12-4,487.36

Finding the Fourth Proportional to 5,887.04, 8,121.12 and 4,487.36

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Solution

The fourth proportional to 5,887.04, 8,121.12 and 4,487.36 is: 6,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.04 : 8,121.12 = 4,487.36 : x
  2. Step 2: Convert to fraction form
    5,887.04/8,121.12 = 4,487.36/x
  3. Step 3: Cross multiply
    5,887.04x = 8,121.12 × 4,487.36
  4. Step 4: Simplify right side
    5,887.04x = 36,442,389.04
  5. Step 5: Solve for x
    x = 36,442,389.04/5,887.04
  6. Step 6: Final answer
    x = 6,190.27

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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.