Home / 2,945.11-4,064.07-1,765.48

Finding the Fourth Proportional to 2,945.11, 4,064.07 and 1,765.48

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Solution

The fourth proportional to 2,945.11, 4,064.07 and 1,765.48 is: 2,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.11 : 4,064.07 = 1,765.48 : x
  2. Step 2: Convert to fraction form
    2,945.11/4,064.07 = 1,765.48/x
  3. Step 3: Cross multiply
    2,945.11x = 4,064.07 × 1,765.48
  4. Step 4: Simplify right side
    2,945.11x = 7,175,034.30
  5. Step 5: Solve for x
    x = 7,175,034.30/2,945.11
  6. Step 6: Final answer
    x = 2,436.25

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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.