Home / 5,768.19-8,620.68-4,211.47

Finding the Fourth Proportional to 5,768.19, 8,620.68 and 4,211.47

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Solution

The fourth proportional to 5,768.19, 8,620.68 and 4,211.47 is: 6,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.19 : 8,620.68 = 4,211.47 : x
  2. Step 2: Convert to fraction form
    5,768.19/8,620.68 = 4,211.47/x
  3. Step 3: Cross multiply
    5,768.19x = 8,620.68 × 4,211.47
  4. Step 4: Simplify right side
    5,768.19x = 36,305,735.20
  5. Step 5: Solve for x
    x = 36,305,735.20/5,768.19
  6. Step 6: Final answer
    x = 6,294.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.