Home / 4,856.16-7,278.13-2,079.55

Finding the Fourth Proportional to 4,856.16, 7,278.13 and 2,079.55

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Solution

The fourth proportional to 4,856.16, 7,278.13 and 2,079.55 is: 3,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.16 : 7,278.13 = 2,079.55 : x
  2. Step 2: Convert to fraction form
    4,856.16/7,278.13 = 2,079.55/x
  3. Step 3: Cross multiply
    4,856.16x = 7,278.13 × 2,079.55
  4. Step 4: Simplify right side
    4,856.16x = 15,135,235.24
  5. Step 5: Solve for x
    x = 15,135,235.24/4,856.16
  6. Step 6: Final answer
    x = 3,116.71

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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.