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Finding the Fourth Proportional to 5,819.17, 8,030.19 and 3,166.57

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Solution

The fourth proportional to 5,819.17, 8,030.19 and 3,166.57 is: 4,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.17 : 8,030.19 = 3,166.57 : x
  2. Step 2: Convert to fraction form
    5,819.17/8,030.19 = 3,166.57/x
  3. Step 3: Cross multiply
    5,819.17x = 8,030.19 × 3,166.57
  4. Step 4: Simplify right side
    5,819.17x = 25,428,140.26
  5. Step 5: Solve for x
    x = 25,428,140.26/5,819.17
  6. Step 6: Final answer
    x = 4,369.72

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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.