Home / 6,187.31-9,268.59-3,720.77

Finding the Fourth Proportional to 6,187.31, 9,268.59 and 3,720.77

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Solution

The fourth proportional to 6,187.31, 9,268.59 and 3,720.77 is: 5,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.31 : 9,268.59 = 3,720.77 : x
  2. Step 2: Convert to fraction form
    6,187.31/9,268.59 = 3,720.77/x
  3. Step 3: Cross multiply
    6,187.31x = 9,268.59 × 3,720.77
  4. Step 4: Simplify right side
    6,187.31x = 34,486,291.61
  5. Step 5: Solve for x
    x = 34,486,291.61/6,187.31
  6. Step 6: Final answer
    x = 5,573.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.