Home / 5,572.96-8,360.40-2,648.80

Finding the Fourth Proportional to 5,572.96, 8,360.40 and 2,648.80

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Solution

The fourth proportional to 5,572.96, 8,360.40 and 2,648.80 is: 3,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.96 : 8,360.40 = 2,648.80 : x
  2. Step 2: Convert to fraction form
    5,572.96/8,360.40 = 2,648.80/x
  3. Step 3: Cross multiply
    5,572.96x = 8,360.40 × 2,648.80
  4. Step 4: Simplify right side
    5,572.96x = 22,145,027.52
  5. Step 5: Solve for x
    x = 22,145,027.52/5,572.96
  6. Step 6: Final answer
    x = 3,973.66

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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.