Home / 7,261.82-10,020.71-4,074.68

Finding the Fourth Proportional to 7,261.82, 10,020.71 and 4,074.68

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Solution

The fourth proportional to 7,261.82, 10,020.71 and 4,074.68 is: 5,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.82 : 10,020.71 = 4,074.68 : x
  2. Step 2: Convert to fraction form
    7,261.82/10,020.71 = 4,074.68/x
  3. Step 3: Cross multiply
    7,261.82x = 10,020.71 × 4,074.68
  4. Step 4: Simplify right side
    7,261.82x = 40,831,186.62
  5. Step 5: Solve for x
    x = 40,831,186.62/7,261.82
  6. Step 6: Final answer
    x = 5,622.72

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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.