Home / 5,920.05-8,170.07-3,402.98

Finding the Fourth Proportional to 5,920.05, 8,170.07 and 3,402.98

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Solution

The fourth proportional to 5,920.05, 8,170.07 and 3,402.98 is: 4,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.05 : 8,170.07 = 3,402.98 : x
  2. Step 2: Convert to fraction form
    5,920.05/8,170.07 = 3,402.98/x
  3. Step 3: Cross multiply
    5,920.05x = 8,170.07 × 3,402.98
  4. Step 4: Simplify right side
    5,920.05x = 27,802,584.81
  5. Step 5: Solve for x
    x = 27,802,584.81/5,920.05
  6. Step 6: Final answer
    x = 4,696.34

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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.