Home / 5,403.24-8,105.76-1,704.60

Finding the Fourth Proportional to 5,403.24, 8,105.76 and 1,704.60

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Solution

The fourth proportional to 5,403.24, 8,105.76 and 1,704.60 is: 2,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.24 : 8,105.76 = 1,704.60 : x
  2. Step 2: Convert to fraction form
    5,403.24/8,105.76 = 1,704.60/x
  3. Step 3: Cross multiply
    5,403.24x = 8,105.76 × 1,704.60
  4. Step 4: Simplify right side
    5,403.24x = 13,817,078.50
  5. Step 5: Solve for x
    x = 13,817,078.50/5,403.24
  6. Step 6: Final answer
    x = 2,557.18

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1.5x scale

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.