Home / 2,952.64-4,078.92-2,434.24

Finding the Fourth Proportional to 2,952.64, 4,078.92 and 2,434.24

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Solution

The fourth proportional to 2,952.64, 4,078.92 and 2,434.24 is: 3,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.64 : 4,078.92 = 2,434.24 : x
  2. Step 2: Convert to fraction form
    2,952.64/4,078.92 = 2,434.24/x
  3. Step 3: Cross multiply
    2,952.64x = 4,078.92 × 2,434.24
  4. Step 4: Simplify right side
    2,952.64x = 9,929,070.22
  5. Step 5: Solve for x
    x = 9,929,070.22/2,952.64
  6. Step 6: Final answer
    x = 3,362.78

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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.