Home / 6,600.29-9,108.47-3,768.05

Finding the Fourth Proportional to 6,600.29, 9,108.47 and 3,768.05

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Solution

The fourth proportional to 6,600.29, 9,108.47 and 3,768.05 is: 5,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.29 : 9,108.47 = 3,768.05 : x
  2. Step 2: Convert to fraction form
    6,600.29/9,108.47 = 3,768.05/x
  3. Step 3: Cross multiply
    6,600.29x = 9,108.47 × 3,768.05
  4. Step 4: Simplify right side
    6,600.29x = 34,321,124.84
  5. Step 5: Solve for x
    x = 34,321,124.84/6,600.29
  6. Step 6: Final answer
    x = 5,199.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.