Home / 5,589.44-7,713.60-4,189.76

Finding the Fourth Proportional to 5,589.44, 7,713.60 and 4,189.76

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Solution

The fourth proportional to 5,589.44, 7,713.60 and 4,189.76 is: 5,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.44 : 7,713.60 = 4,189.76 : x
  2. Step 2: Convert to fraction form
    5,589.44/7,713.60 = 4,189.76/x
  3. Step 3: Cross multiply
    5,589.44x = 7,713.60 × 4,189.76
  4. Step 4: Simplify right side
    5,589.44x = 32,318,132.74
  5. Step 5: Solve for x
    x = 32,318,132.74/5,589.44
  6. Step 6: Final answer
    x = 5,782.00

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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.