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Finding the Fourth Proportional to 5,658.76, 8,479.16 and 3,803.05

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Solution

The fourth proportional to 5,658.76, 8,479.16 and 3,803.05 is: 5,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.76 : 8,479.16 = 3,803.05 : x
  2. Step 2: Convert to fraction form
    5,658.76/8,479.16 = 3,803.05/x
  3. Step 3: Cross multiply
    5,658.76x = 8,479.16 × 3,803.05
  4. Step 4: Simplify right side
    5,658.76x = 32,246,608.03
  5. Step 5: Solve for x
    x = 32,246,608.03/5,658.76
  6. Step 6: Final answer
    x = 5,698.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.