Home / 5,522.40-7,617.45-3,426.51

Finding the Fourth Proportional to 5,522.40, 7,617.45 and 3,426.51

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Solution

The fourth proportional to 5,522.40, 7,617.45 and 3,426.51 is: 4,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.40 : 7,617.45 = 3,426.51 : x
  2. Step 2: Convert to fraction form
    5,522.40/7,617.45 = 3,426.51/x
  3. Step 3: Cross multiply
    5,522.40x = 7,617.45 × 3,426.51
  4. Step 4: Simplify right side
    5,522.40x = 26,101,268.60
  5. Step 5: Solve for x
    x = 26,101,268.60/5,522.40
  6. Step 6: Final answer
    x = 4,726.44

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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.