Home / 2,925.25-4,036.85-1,932.19

Finding the Fourth Proportional to 2,925.25, 4,036.85 and 1,932.19

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Solution

The fourth proportional to 2,925.25, 4,036.85 and 1,932.19 is: 2,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.25 : 4,036.85 = 1,932.19 : x
  2. Step 2: Convert to fraction form
    2,925.25/4,036.85 = 1,932.19/x
  3. Step 3: Cross multiply
    2,925.25x = 4,036.85 × 1,932.19
  4. Step 4: Simplify right side
    2,925.25x = 7,799,961.20
  5. Step 5: Solve for x
    x = 7,799,961.20/2,925.25
  6. Step 6: Final answer
    x = 2,666.43

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Half scale
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Double scale
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Similar ratio
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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.