Home / 6,661.28-9,192.49-3,677.13

Finding the Fourth Proportional to 6,661.28, 9,192.49 and 3,677.13

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Solution

The fourth proportional to 6,661.28, 9,192.49 and 3,677.13 is: 5,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.28 : 9,192.49 = 3,677.13 : x
  2. Step 2: Convert to fraction form
    6,661.28/9,192.49 = 3,677.13/x
  3. Step 3: Cross multiply
    6,661.28x = 9,192.49 × 3,677.13
  4. Step 4: Simplify right side
    6,661.28x = 33,801,980.75
  5. Step 5: Solve for x
    x = 33,801,980.75/6,661.28
  6. Step 6: Final answer
    x = 5,074.40

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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.