Home / 5,340.72-7,370.20-2,982.94

Finding the Fourth Proportional to 5,340.72, 7,370.20 and 2,982.94

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Solution

The fourth proportional to 5,340.72, 7,370.20 and 2,982.94 is: 4,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.72 : 7,370.20 = 2,982.94 : x
  2. Step 2: Convert to fraction form
    5,340.72/7,370.20 = 2,982.94/x
  3. Step 3: Cross multiply
    5,340.72x = 7,370.20 × 2,982.94
  4. Step 4: Simplify right side
    5,340.72x = 21,984,864.39
  5. Step 5: Solve for x
    x = 21,984,864.39/5,340.72
  6. Step 6: Final answer
    x = 4,116.46

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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.