Home / 5,110.58-7,052.10-2,871.95

Finding the Fourth Proportional to 5,110.58, 7,052.10 and 2,871.95

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Solution

The fourth proportional to 5,110.58, 7,052.10 and 2,871.95 is: 3,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.58 : 7,052.10 = 2,871.95 : x
  2. Step 2: Convert to fraction form
    5,110.58/7,052.10 = 2,871.95/x
  3. Step 3: Cross multiply
    5,110.58x = 7,052.10 × 2,871.95
  4. Step 4: Simplify right side
    5,110.58x = 20,253,243.33
  5. Step 5: Solve for x
    x = 20,253,243.33/5,110.58
  6. Step 6: Final answer
    x = 3,963.01

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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.