Home / 5,543.18-7,650.58-3,305.20

Finding the Fourth Proportional to 5,543.18, 7,650.58 and 3,305.20

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Solution

The fourth proportional to 5,543.18, 7,650.58 and 3,305.20 is: 4,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.18 : 7,650.58 = 3,305.20 : x
  2. Step 2: Convert to fraction form
    5,543.18/7,650.58 = 3,305.20/x
  3. Step 3: Cross multiply
    5,543.18x = 7,650.58 × 3,305.20
  4. Step 4: Simplify right side
    5,543.18x = 25,286,697.02
  5. Step 5: Solve for x
    x = 25,286,697.02/5,543.18
  6. Step 6: Final answer
    x = 4,561.77

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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.