Home / 3,001.08-4,138.68-1,881.66

Finding the Fourth Proportional to 3,001.08, 4,138.68 and 1,881.66

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Solution

The fourth proportional to 3,001.08, 4,138.68 and 1,881.66 is: 2,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.08 : 4,138.68 = 1,881.66 : x
  2. Step 2: Convert to fraction form
    3,001.08/4,138.68 = 1,881.66/x
  3. Step 3: Cross multiply
    3,001.08x = 4,138.68 × 1,881.66
  4. Step 4: Simplify right side
    3,001.08x = 7,787,588.61
  5. Step 5: Solve for x
    x = 7,787,588.61/3,001.08
  6. Step 6: Final answer
    x = 2,594.93

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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.