Home / 7,119.74-10,675.61-2,956.95

Finding the Fourth Proportional to 7,119.74, 10,675.61 and 2,956.95

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Solution

The fourth proportional to 7,119.74, 10,675.61 and 2,956.95 is: 4,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.74 : 10,675.61 = 2,956.95 : x
  2. Step 2: Convert to fraction form
    7,119.74/10,675.61 = 2,956.95/x
  3. Step 3: Cross multiply
    7,119.74x = 10,675.61 × 2,956.95
  4. Step 4: Simplify right side
    7,119.74x = 31,567,191.61
  5. Step 5: Solve for x
    x = 31,567,191.61/7,119.74
  6. Step 6: Final answer
    x = 4,433.76

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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.