Home / 5,296.11-7,944.35-1,400.55

Finding the Fourth Proportional to 5,296.11, 7,944.35 and 1,400.55

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Solution

The fourth proportional to 5,296.11, 7,944.35 and 1,400.55 is: 2,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.11 : 7,944.35 = 1,400.55 : x
  2. Step 2: Convert to fraction form
    5,296.11/7,944.35 = 1,400.55/x
  3. Step 3: Cross multiply
    5,296.11x = 7,944.35 × 1,400.55
  4. Step 4: Simplify right side
    5,296.11x = 11,126,459.39
  5. Step 5: Solve for x
    x = 11,126,459.39/5,296.11
  6. Step 6: Final answer
    x = 2,100.87

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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.