Home / 2,542.97-3,509.51-1,423.88

Finding the Fourth Proportional to 2,542.97, 3,509.51 and 1,423.88

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Solution

The fourth proportional to 2,542.97, 3,509.51 and 1,423.88 is: 1,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.97 : 3,509.51 = 1,423.88 : x
  2. Step 2: Convert to fraction form
    2,542.97/3,509.51 = 1,423.88/x
  3. Step 3: Cross multiply
    2,542.97x = 3,509.51 × 1,423.88
  4. Step 4: Simplify right side
    2,542.97x = 4,997,133.43
  5. Step 5: Solve for x
    x = 4,997,133.43/2,542.97
  6. Step 6: Final answer
    x = 1,965.08

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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.