Home / 5,742.91-8,615.85-2,409.37

Finding the Fourth Proportional to 5,742.91, 8,615.85 and 2,409.37

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Solution

The fourth proportional to 5,742.91, 8,615.85 and 2,409.37 is: 3,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.91 : 8,615.85 = 2,409.37 : x
  2. Step 2: Convert to fraction form
    5,742.91/8,615.85 = 2,409.37/x
  3. Step 3: Cross multiply
    5,742.91x = 8,615.85 × 2,409.37
  4. Step 4: Simplify right side
    5,742.91x = 20,758,770.51
  5. Step 5: Solve for x
    x = 20,758,770.51/5,742.91
  6. Step 6: Final answer
    x = 3,614.68

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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.