Home / 3,444.24-5,166.39-979.14

Finding the Fourth Proportional to 3,444.24, 5,166.39 and 979.14

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Solution

The fourth proportional to 3,444.24, 5,166.39 and 979.14 is: 1,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.24 : 5,166.39 = 979.14 : x
  2. Step 2: Convert to fraction form
    3,444.24/5,166.39 = 979.14/x
  3. Step 3: Cross multiply
    3,444.24x = 5,166.39 × 979.14
  4. Step 4: Simplify right side
    3,444.24x = 5,058,619.10
  5. Step 5: Solve for x
    x = 5,058,619.10/3,444.24
  6. Step 6: Final answer
    x = 1,468.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.