Home / 7,261.62-10,020.45-4,118.10

Finding the Fourth Proportional to 7,261.62, 10,020.45 and 4,118.10

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Solution

The fourth proportional to 7,261.62, 10,020.45 and 4,118.10 is: 5,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.62 : 10,020.45 = 4,118.10 : x
  2. Step 2: Convert to fraction form
    7,261.62/10,020.45 = 4,118.10/x
  3. Step 3: Cross multiply
    7,261.62x = 10,020.45 × 4,118.10
  4. Step 4: Simplify right side
    7,261.62x = 41,265,215.15
  5. Step 5: Solve for x
    x = 41,265,215.15/7,261.62
  6. Step 6: Final answer
    x = 5,682.65

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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.