Home / 5,407.14-7,461.88-3,049.28

Finding the Fourth Proportional to 5,407.14, 7,461.88 and 3,049.28

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Solution

The fourth proportional to 5,407.14, 7,461.88 and 3,049.28 is: 4,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.14 : 7,461.88 = 3,049.28 : x
  2. Step 2: Convert to fraction form
    5,407.14/7,461.88 = 3,049.28/x
  3. Step 3: Cross multiply
    5,407.14x = 7,461.88 × 3,049.28
  4. Step 4: Simplify right side
    5,407.14x = 22,753,361.45
  5. Step 5: Solve for x
    x = 22,753,361.45/5,407.14
  6. Step 6: Final answer
    x = 4,208.02

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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.