Home / 5,539.60-7,644.60-3,021.76

Finding the Fourth Proportional to 5,539.60, 7,644.60 and 3,021.76

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Solution

The fourth proportional to 5,539.60, 7,644.60 and 3,021.76 is: 4,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.60 : 7,644.60 = 3,021.76 : x
  2. Step 2: Convert to fraction form
    5,539.60/7,644.60 = 3,021.76/x
  3. Step 3: Cross multiply
    5,539.60x = 7,644.60 × 3,021.76
  4. Step 4: Simplify right side
    5,539.60x = 23,100,146.50
  5. Step 5: Solve for x
    x = 23,100,146.50/5,539.60
  6. Step 6: Final answer
    x = 4,170.00

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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.