Home / 7,380.63-11,061.38-2,995.70

Finding the Fourth Proportional to 7,380.63, 11,061.38 and 2,995.70

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Solution

The fourth proportional to 7,380.63, 11,061.38 and 2,995.70 is: 4,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.63 : 11,061.38 = 2,995.70 : x
  2. Step 2: Convert to fraction form
    7,380.63/11,061.38 = 2,995.70/x
  3. Step 3: Cross multiply
    7,380.63x = 11,061.38 × 2,995.70
  4. Step 4: Simplify right side
    7,380.63x = 33,136,505.78
  5. Step 5: Solve for x
    x = 33,136,505.78/7,380.63
  6. Step 6: Final answer
    x = 4,489.66

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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.