Home / 5,147.98-7,103.28-3,052.60

Finding the Fourth Proportional to 5,147.98, 7,103.28 and 3,052.60

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Solution

The fourth proportional to 5,147.98, 7,103.28 and 3,052.60 is: 4,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.98 : 7,103.28 = 3,052.60 : x
  2. Step 2: Convert to fraction form
    5,147.98/7,103.28 = 3,052.60/x
  3. Step 3: Cross multiply
    5,147.98x = 7,103.28 × 3,052.60
  4. Step 4: Simplify right side
    5,147.98x = 21,683,472.53
  5. Step 5: Solve for x
    x = 21,683,472.53/5,147.98
  6. Step 6: Final answer
    x = 4,212.04

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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.