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Finding the Fourth Proportional to 5,887.76, 8,125.80 and 3,403.76

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Solution

The fourth proportional to 5,887.76, 8,125.80 and 3,403.76 is: 4,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.76 : 8,125.80 = 3,403.76 : x
  2. Step 2: Convert to fraction form
    5,887.76/8,125.80 = 3,403.76/x
  3. Step 3: Cross multiply
    5,887.76x = 8,125.80 × 3,403.76
  4. Step 4: Simplify right side
    5,887.76x = 27,658,273.01
  5. Step 5: Solve for x
    x = 27,658,273.01/5,887.76
  6. Step 6: Final answer
    x = 4,697.59

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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.