Home / 5,003.28-7,494.84-4,189.68

Finding the Fourth Proportional to 5,003.28, 7,494.84 and 4,189.68

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Solution

The fourth proportional to 5,003.28, 7,494.84 and 4,189.68 is: 6,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.28 : 7,494.84 = 4,189.68 : x
  2. Step 2: Convert to fraction form
    5,003.28/7,494.84 = 4,189.68/x
  3. Step 3: Cross multiply
    5,003.28x = 7,494.84 × 4,189.68
  4. Step 4: Simplify right side
    5,003.28x = 31,400,981.25
  5. Step 5: Solve for x
    x = 31,400,981.25/5,003.28
  6. Step 6: Final answer
    x = 6,276.08

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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.