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Finding the Fourth Proportional to 5,338.91, 7,370.30 and 3,748.93

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Solution

The fourth proportional to 5,338.91, 7,370.30 and 3,748.93 is: 5,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.91 : 7,370.30 = 3,748.93 : x
  2. Step 2: Convert to fraction form
    5,338.91/7,370.30 = 3,748.93/x
  3. Step 3: Cross multiply
    5,338.91x = 7,370.30 × 3,748.93
  4. Step 4: Simplify right side
    5,338.91x = 27,630,738.78
  5. Step 5: Solve for x
    x = 27,630,738.78/5,338.91
  6. Step 6: Final answer
    x = 5,175.35

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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.