Home / 2,854.02-3,937.23-2,223.48

Finding the Fourth Proportional to 2,854.02, 3,937.23 and 2,223.48

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Solution

The fourth proportional to 2,854.02, 3,937.23 and 2,223.48 is: 3,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.02 : 3,937.23 = 2,223.48 : x
  2. Step 2: Convert to fraction form
    2,854.02/3,937.23 = 2,223.48/x
  3. Step 3: Cross multiply
    2,854.02x = 3,937.23 × 2,223.48
  4. Step 4: Simplify right side
    2,854.02x = 8,754,352.16
  5. Step 5: Solve for x
    x = 8,754,352.16/2,854.02
  6. Step 6: Final answer
    x = 3,067.38

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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.