Home / 1,932.04-2,666.68-1,135.54

Finding the Fourth Proportional to 1,932.04, 2,666.68 and 1,135.54

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Solution

The fourth proportional to 1,932.04, 2,666.68 and 1,135.54 is: 1,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.04 : 2,666.68 = 1,135.54 : x
  2. Step 2: Convert to fraction form
    1,932.04/2,666.68 = 1,135.54/x
  3. Step 3: Cross multiply
    1,932.04x = 2,666.68 × 1,135.54
  4. Step 4: Simplify right side
    1,932.04x = 3,028,112.30
  5. Step 5: Solve for x
    x = 3,028,112.30/1,932.04
  6. Step 6: Final answer
    x = 1,567.32

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Double scale
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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.