Home / 7,720.35-11,582.45-3,563.26

Finding the Fourth Proportional to 7,720.35, 11,582.45 and 3,563.26

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Solution

The fourth proportional to 7,720.35, 11,582.45 and 3,563.26 is: 5,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.35 : 11,582.45 = 3,563.26 : x
  2. Step 2: Convert to fraction form
    7,720.35/11,582.45 = 3,563.26/x
  3. Step 3: Cross multiply
    7,720.35x = 11,582.45 × 3,563.26
  4. Step 4: Simplify right side
    7,720.35x = 41,271,205.06
  5. Step 5: Solve for x
    x = 41,271,205.06/7,720.35
  6. Step 6: Final answer
    x = 5,345.77

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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.