Home / 3,062.32-4,222.20-2,898.16

Finding the Fourth Proportional to 3,062.32, 4,222.20 and 2,898.16

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Solution

The fourth proportional to 3,062.32, 4,222.20 and 2,898.16 is: 3,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.32 : 4,222.20 = 2,898.16 : x
  2. Step 2: Convert to fraction form
    3,062.32/4,222.20 = 2,898.16/x
  3. Step 3: Cross multiply
    3,062.32x = 4,222.20 × 2,898.16
  4. Step 4: Simplify right side
    3,062.32x = 12,236,611.15
  5. Step 5: Solve for x
    x = 12,236,611.15/3,062.32
  6. Step 6: Final answer
    x = 3,995.86

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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.