Home / 5,340.60-7,370.19-2,982.69

Finding the Fourth Proportional to 5,340.60, 7,370.19 and 2,982.69

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Solution

The fourth proportional to 5,340.60, 7,370.19 and 2,982.69 is: 4,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.60 : 7,370.19 = 2,982.69 : x
  2. Step 2: Convert to fraction form
    5,340.60/7,370.19 = 2,982.69/x
  3. Step 3: Cross multiply
    5,340.60x = 7,370.19 × 2,982.69
  4. Step 4: Simplify right side
    5,340.60x = 21,982,992.01
  5. Step 5: Solve for x
    x = 21,982,992.01/5,340.60
  6. Step 6: Final answer
    x = 4,116.20

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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.