Home / 3,761.10-5,188.67-2,268.15

Finding the Fourth Proportional to 3,761.10, 5,188.67 and 2,268.15

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Solution

The fourth proportional to 3,761.10, 5,188.67 and 2,268.15 is: 3,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.10 : 5,188.67 = 2,268.15 : x
  2. Step 2: Convert to fraction form
    3,761.10/5,188.67 = 2,268.15/x
  3. Step 3: Cross multiply
    3,761.10x = 5,188.67 × 2,268.15
  4. Step 4: Simplify right side
    3,761.10x = 11,768,701.51
  5. Step 5: Solve for x
    x = 11,768,701.51/3,761.10
  6. Step 6: Final answer
    x = 3,129.06

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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.