Home / 2,000.16-2,760.28-1,115.98

Finding the Fourth Proportional to 2,000.16, 2,760.28 and 1,115.98

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Solution

The fourth proportional to 2,000.16, 2,760.28 and 1,115.98 is: 1,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.16 : 2,760.28 = 1,115.98 : x
  2. Step 2: Convert to fraction form
    2,000.16/2,760.28 = 1,115.98/x
  3. Step 3: Cross multiply
    2,000.16x = 2,760.28 × 1,115.98
  4. Step 4: Simplify right side
    2,000.16x = 3,080,407.58
  5. Step 5: Solve for x
    x = 3,080,407.58/2,000.16
  6. Step 6: Final answer
    x = 1,540.08

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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.