Home / 5,671.22-7,825.14-3,312.91

Finding the Fourth Proportional to 5,671.22, 7,825.14 and 3,312.91

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Solution

The fourth proportional to 5,671.22, 7,825.14 and 3,312.91 is: 4,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.22 : 7,825.14 = 3,312.91 : x
  2. Step 2: Convert to fraction form
    5,671.22/7,825.14 = 3,312.91/x
  3. Step 3: Cross multiply
    5,671.22x = 7,825.14 × 3,312.91
  4. Step 4: Simplify right side
    5,671.22x = 25,923,964.99
  5. Step 5: Solve for x
    x = 25,923,964.99/5,671.22
  6. Step 6: Final answer
    x = 4,571.14

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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.