Home / 7,381.89-11,077.02-3,002.49

Finding the Fourth Proportional to 7,381.89, 11,077.02 and 3,002.49

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Solution

The fourth proportional to 7,381.89, 11,077.02 and 3,002.49 is: 4,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.89 : 11,077.02 = 3,002.49 : x
  2. Step 2: Convert to fraction form
    7,381.89/11,077.02 = 3,002.49/x
  3. Step 3: Cross multiply
    7,381.89x = 11,077.02 × 3,002.49
  4. Step 4: Simplify right side
    7,381.89x = 33,258,641.78
  5. Step 5: Solve for x
    x = 33,258,641.78/7,381.89
  6. Step 6: Final answer
    x = 4,505.44

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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.