Home / 3,186.19-4,395.72-2,348.89

Finding the Fourth Proportional to 3,186.19, 4,395.72 and 2,348.89

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Solution

The fourth proportional to 3,186.19, 4,395.72 and 2,348.89 is: 3,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.19 : 4,395.72 = 2,348.89 : x
  2. Step 2: Convert to fraction form
    3,186.19/4,395.72 = 2,348.89/x
  3. Step 3: Cross multiply
    3,186.19x = 4,395.72 × 2,348.89
  4. Step 4: Simplify right side
    3,186.19x = 10,325,041.18
  5. Step 5: Solve for x
    x = 10,325,041.18/3,186.19
  6. Step 6: Final answer
    x = 3,240.56

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Half 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.