Home / 5,593.80-8,390.70-5,438.28

Finding the Fourth Proportional to 5,593.80, 8,390.70 and 5,438.28

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Solution

The fourth proportional to 5,593.80, 8,390.70 and 5,438.28 is: 8,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.80 : 8,390.70 = 5,438.28 : x
  2. Step 2: Convert to fraction form
    5,593.80/8,390.70 = 5,438.28/x
  3. Step 3: Cross multiply
    5,593.80x = 8,390.70 × 5,438.28
  4. Step 4: Simplify right side
    5,593.80x = 45,630,976.00
  5. Step 5: Solve for x
    x = 45,630,976.00/5,593.80
  6. Step 6: Final answer
    x = 8,157.42

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Similar ratio
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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.