Home / 3,587.39-4,950.65-2,171.06

Finding the Fourth Proportional to 3,587.39, 4,950.65 and 2,171.06

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Solution

The fourth proportional to 3,587.39, 4,950.65 and 2,171.06 is: 2,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.39 : 4,950.65 = 2,171.06 : x
  2. Step 2: Convert to fraction form
    3,587.39/4,950.65 = 2,171.06/x
  3. Step 3: Cross multiply
    3,587.39x = 4,950.65 × 2,171.06
  4. Step 4: Simplify right side
    3,587.39x = 10,748,147.33
  5. Step 5: Solve for x
    x = 10,748,147.33/3,587.39
  6. Step 6: Final answer
    x = 2,996.09

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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.