Home / 2,301.67-3,178.17-1,876.36

Finding the Fourth Proportional to 2,301.67, 3,178.17 and 1,876.36

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Solution

The fourth proportional to 2,301.67, 3,178.17 and 1,876.36 is: 2,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.67 : 3,178.17 = 1,876.36 : x
  2. Step 2: Convert to fraction form
    2,301.67/3,178.17 = 1,876.36/x
  3. Step 3: Cross multiply
    2,301.67x = 3,178.17 × 1,876.36
  4. Step 4: Simplify right side
    2,301.67x = 5,963,383.12
  5. Step 5: Solve for x
    x = 5,963,383.12/2,301.67
  6. Step 6: Final answer
    x = 2,590.90

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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.