Home / 7,528.41-11,278.04-3,635.55

Finding the Fourth Proportional to 7,528.41, 11,278.04 and 3,635.55

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Solution

The fourth proportional to 7,528.41, 11,278.04 and 3,635.55 is: 5,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.41 : 11,278.04 = 3,635.55 : x
  2. Step 2: Convert to fraction form
    7,528.41/11,278.04 = 3,635.55/x
  3. Step 3: Cross multiply
    7,528.41x = 11,278.04 × 3,635.55
  4. Step 4: Simplify right side
    7,528.41x = 41,001,860.14
  5. Step 5: Solve for x
    x = 41,001,860.14/7,528.41
  6. Step 6: Final answer
    x = 5,446.28

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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.