Home / 5,070.12-7,605.18-4,253.64

Finding the Fourth Proportional to 5,070.12, 7,605.18 and 4,253.64

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Solution

The fourth proportional to 5,070.12, 7,605.18 and 4,253.64 is: 6,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.12 : 7,605.18 = 4,253.64 : x
  2. Step 2: Convert to fraction form
    5,070.12/7,605.18 = 4,253.64/x
  3. Step 3: Cross multiply
    5,070.12x = 7,605.18 × 4,253.64
  4. Step 4: Simplify right side
    5,070.12x = 32,349,697.86
  5. Step 5: Solve for x
    x = 32,349,697.86/5,070.12
  6. Step 6: Final answer
    x = 6,380.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.