Home / 5,982.78-8,255.30-3,465.14

Finding the Fourth Proportional to 5,982.78, 8,255.30 and 3,465.14

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Solution

The fourth proportional to 5,982.78, 8,255.30 and 3,465.14 is: 4,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.78 : 8,255.30 = 3,465.14 : x
  2. Step 2: Convert to fraction form
    5,982.78/8,255.30 = 3,465.14/x
  3. Step 3: Cross multiply
    5,982.78x = 8,255.30 × 3,465.14
  4. Step 4: Simplify right side
    5,982.78x = 28,605,711.64
  5. Step 5: Solve for x
    x = 28,605,711.64/5,982.78
  6. Step 6: Final answer
    x = 4,781.34

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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.