Home / 5,146.25-7,097.91-4,429.66

Finding the Fourth Proportional to 5,146.25, 7,097.91 and 4,429.66

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Solution

The fourth proportional to 5,146.25, 7,097.91 and 4,429.66 is: 6,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.25 : 7,097.91 = 4,429.66 : x
  2. Step 2: Convert to fraction form
    5,146.25/7,097.91 = 4,429.66/x
  3. Step 3: Cross multiply
    5,146.25x = 7,097.91 × 4,429.66
  4. Step 4: Simplify right side
    5,146.25x = 31,441,313.57
  5. Step 5: Solve for x
    x = 31,441,313.57/5,146.25
  6. Step 6: Final answer
    x = 6,109.55

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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.