Home / 5,887.45-8,127.84-4,540.12

Finding the Fourth Proportional to 5,887.45, 8,127.84 and 4,540.12

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Solution

The fourth proportional to 5,887.45, 8,127.84 and 4,540.12 is: 6,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.45 : 8,127.84 = 4,540.12 : x
  2. Step 2: Convert to fraction form
    5,887.45/8,127.84 = 4,540.12/x
  3. Step 3: Cross multiply
    5,887.45x = 8,127.84 × 4,540.12
  4. Step 4: Simplify right side
    5,887.45x = 36,901,365.65
  5. Step 5: Solve for x
    x = 36,901,365.65/5,887.45
  6. Step 6: Final answer
    x = 6,267.80

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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.