Home / 5,272.41-7,892.15-3,518.85

Finding the Fourth Proportional to 5,272.41, 7,892.15 and 3,518.85

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Solution

The fourth proportional to 5,272.41, 7,892.15 and 3,518.85 is: 5,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.41 : 7,892.15 = 3,518.85 : x
  2. Step 2: Convert to fraction form
    5,272.41/7,892.15 = 3,518.85/x
  3. Step 3: Cross multiply
    5,272.41x = 7,892.15 × 3,518.85
  4. Step 4: Simplify right side
    5,272.41x = 27,771,274.43
  5. Step 5: Solve for x
    x = 27,771,274.43/5,272.41
  6. Step 6: Final answer
    x = 5,267.28

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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.