Home / 3,975.17-5,486.01-2,206.97

Finding the Fourth Proportional to 3,975.17, 5,486.01 and 2,206.97

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Solution

The fourth proportional to 3,975.17, 5,486.01 and 2,206.97 is: 3,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.17 : 5,486.01 = 2,206.97 : x
  2. Step 2: Convert to fraction form
    3,975.17/5,486.01 = 2,206.97/x
  3. Step 3: Cross multiply
    3,975.17x = 5,486.01 × 2,206.97
  4. Step 4: Simplify right side
    3,975.17x = 12,107,459.49
  5. Step 5: Solve for x
    x = 12,107,459.49/3,975.17
  6. Step 6: Final answer
    x = 3,045.77

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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.