Home / 2,007.28-2,775.18-1,512.46

Finding the Fourth Proportional to 2,007.28, 2,775.18 and 1,512.46

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Solution

The fourth proportional to 2,007.28, 2,775.18 and 1,512.46 is: 2,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.28 : 2,775.18 = 1,512.46 : x
  2. Step 2: Convert to fraction form
    2,007.28/2,775.18 = 1,512.46/x
  3. Step 3: Cross multiply
    2,007.28x = 2,775.18 × 1,512.46
  4. Step 4: Simplify right side
    2,007.28x = 4,197,348.74
  5. Step 5: Solve for x
    x = 4,197,348.74/2,007.28
  6. Step 6: Final answer
    x = 2,091.06

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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.