Home / 5,877.05-8,109.81-3,358.66

Finding the Fourth Proportional to 5,877.05, 8,109.81 and 3,358.66

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Solution

The fourth proportional to 5,877.05, 8,109.81 and 3,358.66 is: 4,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.05 : 8,109.81 = 3,358.66 : x
  2. Step 2: Convert to fraction form
    5,877.05/8,109.81 = 3,358.66/x
  3. Step 3: Cross multiply
    5,877.05x = 8,109.81 × 3,358.66
  4. Step 4: Simplify right side
    5,877.05x = 27,238,077.66
  5. Step 5: Solve for x
    x = 27,238,077.66/5,877.05
  6. Step 6: Final answer
    x = 4,634.65

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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.