Home / 5,707.88-8,563.34-2,421.16

Finding the Fourth Proportional to 5,707.88, 8,563.34 and 2,421.16

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Solution

The fourth proportional to 5,707.88, 8,563.34 and 2,421.16 is: 3,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.88 : 8,563.34 = 2,421.16 : x
  2. Step 2: Convert to fraction form
    5,707.88/8,563.34 = 2,421.16/x
  3. Step 3: Cross multiply
    5,707.88x = 8,563.34 × 2,421.16
  4. Step 4: Simplify right side
    5,707.88x = 20,733,216.27
  5. Step 5: Solve for x
    x = 20,733,216.27/5,707.88
  6. Step 6: Final answer
    x = 3,632.38

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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.