Home / 5,358.30-7,394.45-3,000.44

Finding the Fourth Proportional to 5,358.30, 7,394.45 and 3,000.44

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Solution

The fourth proportional to 5,358.30, 7,394.45 and 3,000.44 is: 4,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.30 : 7,394.45 = 3,000.44 : x
  2. Step 2: Convert to fraction form
    5,358.30/7,394.45 = 3,000.44/x
  3. Step 3: Cross multiply
    5,358.30x = 7,394.45 × 3,000.44
  4. Step 4: Simplify right side
    5,358.30x = 22,186,593.18
  5. Step 5: Solve for x
    x = 22,186,593.18/5,358.30
  6. Step 6: Final answer
    x = 4,140.60

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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.