Home / 3,184.38-4,393.23-2,347.08

Finding the Fourth Proportional to 3,184.38, 4,393.23 and 2,347.08

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Solution

The fourth proportional to 3,184.38, 4,393.23 and 2,347.08 is: 3,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.38 : 4,393.23 = 2,347.08 : x
  2. Step 2: Convert to fraction form
    3,184.38/4,393.23 = 2,347.08/x
  3. Step 3: Cross multiply
    3,184.38x = 4,393.23 × 2,347.08
  4. Step 4: Simplify right side
    3,184.38x = 10,311,262.27
  5. Step 5: Solve for x
    x = 10,311,262.27/3,184.38
  6. Step 6: Final answer
    x = 3,238.08

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Half scale
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Double scale
Find fourth proportional to 3,185.38, 4,394.61 and 2,348.08
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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.