Home / 5,459.02-8,189.54-1,760.86

Finding the Fourth Proportional to 5,459.02, 8,189.54 and 1,760.86

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Solution

The fourth proportional to 5,459.02, 8,189.54 and 1,760.86 is: 2,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.02 : 8,189.54 = 1,760.86 : x
  2. Step 2: Convert to fraction form
    5,459.02/8,189.54 = 1,760.86/x
  3. Step 3: Cross multiply
    5,459.02x = 8,189.54 × 1,760.86
  4. Step 4: Simplify right side
    5,459.02x = 14,420,651.35
  5. Step 5: Solve for x
    x = 14,420,651.35/5,459.02
  6. Step 6: Final answer
    x = 2,641.62

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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.