Home / 3,047.20-4,205.76-2,053.12

Finding the Fourth Proportional to 3,047.20, 4,205.76 and 2,053.12

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Solution

The fourth proportional to 3,047.20, 4,205.76 and 2,053.12 is: 2,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.20 : 4,205.76 = 2,053.12 : x
  2. Step 2: Convert to fraction form
    3,047.20/4,205.76 = 2,053.12/x
  3. Step 3: Cross multiply
    3,047.20x = 4,205.76 × 2,053.12
  4. Step 4: Simplify right side
    3,047.20x = 8,634,929.97
  5. Step 5: Solve for x
    x = 8,634,929.97/3,047.20
  6. Step 6: Final answer
    x = 2,833.73

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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.