Home / 7,720.21-11,582.43-2,526.04

Finding the Fourth Proportional to 7,720.21, 11,582.43 and 2,526.04

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Solution

The fourth proportional to 7,720.21, 11,582.43 and 2,526.04 is: 3,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.21 : 11,582.43 = 2,526.04 : x
  2. Step 2: Convert to fraction form
    7,720.21/11,582.43 = 2,526.04/x
  3. Step 3: Cross multiply
    7,720.21x = 11,582.43 × 2,526.04
  4. Step 4: Simplify right side
    7,720.21x = 29,257,681.48
  5. Step 5: Solve for x
    x = 29,257,681.48/7,720.21
  6. Step 6: Final answer
    x = 3,789.75

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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.