Home / 7,079.79-10,615.13-3,381.94

Finding the Fourth Proportional to 7,079.79, 10,615.13 and 3,381.94

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Solution

The fourth proportional to 7,079.79, 10,615.13 and 3,381.94 is: 5,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.79 : 10,615.13 = 3,381.94 : x
  2. Step 2: Convert to fraction form
    7,079.79/10,615.13 = 3,381.94/x
  3. Step 3: Cross multiply
    7,079.79x = 10,615.13 × 3,381.94
  4. Step 4: Simplify right side
    7,079.79x = 35,899,732.75
  5. Step 5: Solve for x
    x = 35,899,732.75/7,079.79
  6. Step 6: Final answer
    x = 5,070.73

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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.