Home / 5,359.90-7,400.28-3,346.39

Finding the Fourth Proportional to 5,359.90, 7,400.28 and 3,346.39

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Solution

The fourth proportional to 5,359.90, 7,400.28 and 3,346.39 is: 4,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.90 : 7,400.28 = 3,346.39 : x
  2. Step 2: Convert to fraction form
    5,359.90/7,400.28 = 3,346.39/x
  3. Step 3: Cross multiply
    5,359.90x = 7,400.28 × 3,346.39
  4. Step 4: Simplify right side
    5,359.90x = 24,764,177.62
  5. Step 5: Solve for x
    x = 24,764,177.62/5,359.90
  6. Step 6: Final answer
    x = 4,620.27

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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.