Home / 4,862.42-7,294.47-3,220.28

Finding the Fourth Proportional to 4,862.42, 7,294.47 and 3,220.28

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Solution

The fourth proportional to 4,862.42, 7,294.47 and 3,220.28 is: 4,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.42 : 7,294.47 = 3,220.28 : x
  2. Step 2: Convert to fraction form
    4,862.42/7,294.47 = 3,220.28/x
  3. Step 3: Cross multiply
    4,862.42x = 7,294.47 × 3,220.28
  4. Step 4: Simplify right side
    4,862.42x = 23,490,235.85
  5. Step 5: Solve for x
    x = 23,490,235.85/4,862.42
  6. Step 6: Final answer
    x = 4,830.98

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Double scale
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Similar ratio
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1.5x scale

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.