Home / 7,178.45-10,759.97-3,475.58

Finding the Fourth Proportional to 7,178.45, 10,759.97 and 3,475.58

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Solution

The fourth proportional to 7,178.45, 10,759.97 and 3,475.58 is: 5,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.45 : 10,759.97 = 3,475.58 : x
  2. Step 2: Convert to fraction form
    7,178.45/10,759.97 = 3,475.58/x
  3. Step 3: Cross multiply
    7,178.45x = 10,759.97 × 3,475.58
  4. Step 4: Simplify right side
    7,178.45x = 37,397,091.42
  5. Step 5: Solve for x
    x = 37,397,091.42/7,178.45
  6. Step 6: Final answer
    x = 5,209.64

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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.