Home / 3,206.90-4,426.17-2,088.02

Finding the Fourth Proportional to 3,206.90, 4,426.17 and 2,088.02

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Solution

The fourth proportional to 3,206.90, 4,426.17 and 2,088.02 is: 2,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.90 : 4,426.17 = 2,088.02 : x
  2. Step 2: Convert to fraction form
    3,206.90/4,426.17 = 2,088.02/x
  3. Step 3: Cross multiply
    3,206.90x = 4,426.17 × 2,088.02
  4. Step 4: Simplify right side
    3,206.90x = 9,241,931.48
  5. Step 5: Solve for x
    x = 9,241,931.48/3,206.90
  6. Step 6: Final answer
    x = 2,881.89

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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.