Home / 4,187.60-5,778.82-2,395.06

Finding the Fourth Proportional to 4,187.60, 5,778.82 and 2,395.06

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Solution

The fourth proportional to 4,187.60, 5,778.82 and 2,395.06 is: 3,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.60 : 5,778.82 = 2,395.06 : x
  2. Step 2: Convert to fraction form
    4,187.60/5,778.82 = 2,395.06/x
  3. Step 3: Cross multiply
    4,187.60x = 5,778.82 × 2,395.06
  4. Step 4: Simplify right side
    4,187.60x = 13,840,620.63
  5. Step 5: Solve for x
    x = 13,840,620.63/4,187.60
  6. Step 6: Final answer
    x = 3,305.14

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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.