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Finding the Fourth Proportional to 5,874.24, 8,106.48 and 3,390.24

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Solution

The fourth proportional to 5,874.24, 8,106.48 and 3,390.24 is: 4,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.24 : 8,106.48 = 3,390.24 : x
  2. Step 2: Convert to fraction form
    5,874.24/8,106.48 = 3,390.24/x
  3. Step 3: Cross multiply
    5,874.24x = 8,106.48 × 3,390.24
  4. Step 4: Simplify right side
    5,874.24x = 27,482,912.76
  5. Step 5: Solve for x
    x = 27,482,912.76/5,874.24
  6. Step 6: Final answer
    x = 4,678.55

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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.