Home / 5,972.68-8,242.15-3,320.07

Finding the Fourth Proportional to 5,972.68, 8,242.15 and 3,320.07

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Solution

The fourth proportional to 5,972.68, 8,242.15 and 3,320.07 is: 4,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.68 : 8,242.15 = 3,320.07 : x
  2. Step 2: Convert to fraction form
    5,972.68/8,242.15 = 3,320.07/x
  3. Step 3: Cross multiply
    5,972.68x = 8,242.15 × 3,320.07
  4. Step 4: Simplify right side
    5,972.68x = 27,364,514.95
  5. Step 5: Solve for x
    x = 27,364,514.95/5,972.68
  6. Step 6: Final answer
    x = 4,581.61

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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.