Home / 3,079.24-4,254.06-2,291.92

Finding the Fourth Proportional to 3,079.24, 4,254.06 and 2,291.92

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Solution

The fourth proportional to 3,079.24, 4,254.06 and 2,291.92 is: 3,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.24 : 4,254.06 = 2,291.92 : x
  2. Step 2: Convert to fraction form
    3,079.24/4,254.06 = 2,291.92/x
  3. Step 3: Cross multiply
    3,079.24x = 4,254.06 × 2,291.92
  4. Step 4: Simplify right side
    3,079.24x = 9,749,965.20
  5. Step 5: Solve for x
    x = 9,749,965.20/3,079.24
  6. Step 6: Final answer
    x = 3,166.35

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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.