Home / 3,422.16-4,726.08-2,949.12

Finding the Fourth Proportional to 3,422.16, 4,726.08 and 2,949.12

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Solution

The fourth proportional to 3,422.16, 4,726.08 and 2,949.12 is: 4,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.16 : 4,726.08 = 2,949.12 : x
  2. Step 2: Convert to fraction form
    3,422.16/4,726.08 = 2,949.12/x
  3. Step 3: Cross multiply
    3,422.16x = 4,726.08 × 2,949.12
  4. Step 4: Simplify right side
    3,422.16x = 13,937,777.05
  5. Step 5: Solve for x
    x = 13,937,777.05/3,422.16
  6. Step 6: Final answer
    x = 4,072.80

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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.