Home / 5,389.98-7,439.67-3,296.22

Finding the Fourth Proportional to 5,389.98, 7,439.67 and 3,296.22

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Solution

The fourth proportional to 5,389.98, 7,439.67 and 3,296.22 is: 4,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.98 : 7,439.67 = 3,296.22 : x
  2. Step 2: Convert to fraction form
    5,389.98/7,439.67 = 3,296.22/x
  3. Step 3: Cross multiply
    5,389.98x = 7,439.67 × 3,296.22
  4. Step 4: Simplify right side
    5,389.98x = 24,522,789.05
  5. Step 5: Solve for x
    x = 24,522,789.05/5,389.98
  6. Step 6: Final answer
    x = 4,549.70

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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.