Home / 2,945.51-4,066.49-1,952.14

Finding the Fourth Proportional to 2,945.51, 4,066.49 and 1,952.14

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Solution

The fourth proportional to 2,945.51, 4,066.49 and 1,952.14 is: 2,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.51 : 4,066.49 = 1,952.14 : x
  2. Step 2: Convert to fraction form
    2,945.51/4,066.49 = 1,952.14/x
  3. Step 3: Cross multiply
    2,945.51x = 4,066.49 × 1,952.14
  4. Step 4: Simplify right side
    2,945.51x = 7,938,351.66
  5. Step 5: Solve for x
    x = 7,938,351.66/2,945.51
  6. Step 6: Final answer
    x = 2,695.06

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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.