Home / 5,922.80-8,868.60-4,747.28

Finding the Fourth Proportional to 5,922.80, 8,868.60 and 4,747.28

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Solution

The fourth proportional to 5,922.80, 8,868.60 and 4,747.28 is: 7,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.80 : 8,868.60 = 4,747.28 : x
  2. Step 2: Convert to fraction form
    5,922.80/8,868.60 = 4,747.28/x
  3. Step 3: Cross multiply
    5,922.80x = 8,868.60 × 4,747.28
  4. Step 4: Simplify right side
    5,922.80x = 42,101,727.41
  5. Step 5: Solve for x
    x = 42,101,727.41/5,922.80
  6. Step 6: Final answer
    x = 7,108.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.