Home / 2,049.26-2,828.02-1,117.76

Finding the Fourth Proportional to 2,049.26, 2,828.02 and 1,117.76

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Solution

The fourth proportional to 2,049.26, 2,828.02 and 1,117.76 is: 1,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.26 : 2,828.02 = 1,117.76 : x
  2. Step 2: Convert to fraction form
    2,049.26/2,828.02 = 1,117.76/x
  3. Step 3: Cross multiply
    2,049.26x = 2,828.02 × 1,117.76
  4. Step 4: Simplify right side
    2,049.26x = 3,161,047.64
  5. Step 5: Solve for x
    x = 3,161,047.64/2,049.26
  6. Step 6: Final answer
    x = 1,542.53

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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.