Home / 5,589.23-8,388.29-3,123.59

Finding the Fourth Proportional to 5,589.23, 8,388.29 and 3,123.59

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Solution

The fourth proportional to 5,589.23, 8,388.29 and 3,123.59 is: 4,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.23 : 8,388.29 = 3,123.59 : x
  2. Step 2: Convert to fraction form
    5,589.23/8,388.29 = 3,123.59/x
  3. Step 3: Cross multiply
    5,589.23x = 8,388.29 × 3,123.59
  4. Step 4: Simplify right side
    5,589.23x = 26,201,544.63
  5. Step 5: Solve for x
    x = 26,201,544.63/5,589.23
  6. Step 6: Final answer
    x = 4,687.87

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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.