Home / 2,202.11-3,316.13-1,590.11

Finding the Fourth Proportional to 2,202.11, 3,316.13 and 1,590.11

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Solution

The fourth proportional to 2,202.11, 3,316.13 and 1,590.11 is: 2,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.11 : 3,316.13 = 1,590.11 : x
  2. Step 2: Convert to fraction form
    2,202.11/3,316.13 = 1,590.11/x
  3. Step 3: Cross multiply
    2,202.11x = 3,316.13 × 1,590.11
  4. Step 4: Simplify right side
    2,202.11x = 5,273,011.47
  5. Step 5: Solve for x
    x = 5,273,011.47/2,202.11
  6. Step 6: Final answer
    x = 2,394.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.