Home / 1,932.16-2,665.92-1,146.07

Finding the Fourth Proportional to 1,932.16, 2,665.92 and 1,146.07

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Solution

The fourth proportional to 1,932.16, 2,665.92 and 1,146.07 is: 1,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.16 : 2,665.92 = 1,146.07 : x
  2. Step 2: Convert to fraction form
    1,932.16/2,665.92 = 1,146.07/x
  3. Step 3: Cross multiply
    1,932.16x = 2,665.92 × 1,146.07
  4. Step 4: Simplify right side
    1,932.16x = 3,055,330.93
  5. Step 5: Solve for x
    x = 3,055,330.93/1,932.16
  6. Step 6: Final answer
    x = 1,581.30

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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.