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Finding the Fourth Proportional to 5,392.83, 7,442.58 and 3,035.42

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Solution

The fourth proportional to 5,392.83, 7,442.58 and 3,035.42 is: 4,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.83 : 7,442.58 = 3,035.42 : x
  2. Step 2: Convert to fraction form
    5,392.83/7,442.58 = 3,035.42/x
  3. Step 3: Cross multiply
    5,392.83x = 7,442.58 × 3,035.42
  4. Step 4: Simplify right side
    5,392.83x = 22,591,400.13
  5. Step 5: Solve for x
    x = 22,591,400.13/5,392.83
  6. Step 6: Final answer
    x = 4,189.16

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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.