Home / 7,742.22-11,617.25-3,577.55

Finding the Fourth Proportional to 7,742.22, 11,617.25 and 3,577.55

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Solution

The fourth proportional to 7,742.22, 11,617.25 and 3,577.55 is: 5,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.22 : 11,617.25 = 3,577.55 : x
  2. Step 2: Convert to fraction form
    7,742.22/11,617.25 = 3,577.55/x
  3. Step 3: Cross multiply
    7,742.22x = 11,617.25 × 3,577.55
  4. Step 4: Simplify right side
    7,742.22x = 41,561,216.76
  5. Step 5: Solve for x
    x = 41,561,216.76/7,742.22
  6. Step 6: Final answer
    x = 5,368.13

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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.