Home / 5,707.88-8,561.64-2,418.86

Finding the Fourth Proportional to 5,707.88, 8,561.64 and 2,418.86

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Solution

The fourth proportional to 5,707.88, 8,561.64 and 2,418.86 is: 3,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.88 : 8,561.64 = 2,418.86 : x
  2. Step 2: Convert to fraction form
    5,707.88/8,561.64 = 2,418.86/x
  3. Step 3: Cross multiply
    5,707.88x = 8,561.64 × 2,418.86
  4. Step 4: Simplify right side
    5,707.88x = 20,709,408.53
  5. Step 5: Solve for x
    x = 20,709,408.53/5,707.88
  6. Step 6: Final answer
    x = 3,628.21

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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.