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Finding the Fourth Proportional to 5,483.98, 7,567.77 and 3,125.98

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Solution

The fourth proportional to 5,483.98, 7,567.77 and 3,125.98 is: 4,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.98 : 7,567.77 = 3,125.98 : x
  2. Step 2: Convert to fraction form
    5,483.98/7,567.77 = 3,125.98/x
  3. Step 3: Cross multiply
    5,483.98x = 7,567.77 × 3,125.98
  4. Step 4: Simplify right side
    5,483.98x = 23,656,697.66
  5. Step 5: Solve for x
    x = 23,656,697.66/5,483.98
  6. Step 6: Final answer
    x = 4,313.78

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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.