Home / 5,875.38-8,108.12-3,222.78

Finding the Fourth Proportional to 5,875.38, 8,108.12 and 3,222.78

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Solution

The fourth proportional to 5,875.38, 8,108.12 and 3,222.78 is: 4,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.38 : 8,108.12 = 3,222.78 : x
  2. Step 2: Convert to fraction form
    5,875.38/8,108.12 = 3,222.78/x
  3. Step 3: Cross multiply
    5,875.38x = 8,108.12 × 3,222.78
  4. Step 4: Simplify right side
    5,875.38x = 26,130,695.03
  5. Step 5: Solve for x
    x = 26,130,695.03/5,875.38
  6. Step 6: Final answer
    x = 4,447.49

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Half scale
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Double scale
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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.