Home / 5,274.86-7,279.20-2,917.04

Finding the Fourth Proportional to 5,274.86, 7,279.20 and 2,917.04

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Solution

The fourth proportional to 5,274.86, 7,279.20 and 2,917.04 is: 4,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.86 : 7,279.20 = 2,917.04 : x
  2. Step 2: Convert to fraction form
    5,274.86/7,279.20 = 2,917.04/x
  3. Step 3: Cross multiply
    5,274.86x = 7,279.20 × 2,917.04
  4. Step 4: Simplify right side
    5,274.86x = 21,233,717.57
  5. Step 5: Solve for x
    x = 21,233,717.57/5,274.86
  6. Step 6: Final answer
    x = 4,025.46

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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.