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Finding the Fourth Proportional to 5,347.85, 8,023.62 and 4,739.15

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Solution

The fourth proportional to 5,347.85, 8,023.62 and 4,739.15 is: 7,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.85 : 8,023.62 = 4,739.15 : x
  2. Step 2: Convert to fraction form
    5,347.85/8,023.62 = 4,739.15/x
  3. Step 3: Cross multiply
    5,347.85x = 8,023.62 × 4,739.15
  4. Step 4: Simplify right side
    5,347.85x = 38,025,138.72
  5. Step 5: Solve for x
    x = 38,025,138.72/5,347.85
  6. Step 6: Final answer
    x = 7,110.36

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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.