Home / 5,295.45-7,948.91-3,982.95

Finding the Fourth Proportional to 5,295.45, 7,948.91 and 3,982.95

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Solution

The fourth proportional to 5,295.45, 7,948.91 and 3,982.95 is: 5,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.45 : 7,948.91 = 3,982.95 : x
  2. Step 2: Convert to fraction form
    5,295.45/7,948.91 = 3,982.95/x
  3. Step 3: Cross multiply
    5,295.45x = 7,948.91 × 3,982.95
  4. Step 4: Simplify right side
    5,295.45x = 31,660,071.34
  5. Step 5: Solve for x
    x = 31,660,071.34/5,295.45
  6. Step 6: Final answer
    x = 5,978.73

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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.