Home / 3,425.32-4,726.80-2,167.06

Finding the Fourth Proportional to 3,425.32, 4,726.80 and 2,167.06

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Solution

The fourth proportional to 3,425.32, 4,726.80 and 2,167.06 is: 2,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.32 : 4,726.80 = 2,167.06 : x
  2. Step 2: Convert to fraction form
    3,425.32/4,726.80 = 2,167.06/x
  3. Step 3: Cross multiply
    3,425.32x = 4,726.80 × 2,167.06
  4. Step 4: Simplify right side
    3,425.32x = 10,243,259.21
  5. Step 5: Solve for x
    x = 10,243,259.21/3,425.32
  6. Step 6: Final answer
    x = 2,990.45

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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.