Home / 5,709.24-8,561.16-1,812.60

Finding the Fourth Proportional to 5,709.24, 8,561.16 and 1,812.60

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Solution

The fourth proportional to 5,709.24, 8,561.16 and 1,812.60 is: 2,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.24 : 8,561.16 = 1,812.60 : x
  2. Step 2: Convert to fraction form
    5,709.24/8,561.16 = 1,812.60/x
  3. Step 3: Cross multiply
    5,709.24x = 8,561.16 × 1,812.60
  4. Step 4: Simplify right side
    5,709.24x = 15,517,958.62
  5. Step 5: Solve for x
    x = 15,517,958.62/5,709.24
  6. Step 6: Final answer
    x = 2,718.04

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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.