Home / 7,723.89-11,585.30-2,177.01

Finding the Fourth Proportional to 7,723.89, 11,585.30 and 2,177.01

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Solution

The fourth proportional to 7,723.89, 11,585.30 and 2,177.01 is: 3,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.89 : 11,585.30 = 2,177.01 : x
  2. Step 2: Convert to fraction form
    7,723.89/11,585.30 = 2,177.01/x
  3. Step 3: Cross multiply
    7,723.89x = 11,585.30 × 2,177.01
  4. Step 4: Simplify right side
    7,723.89x = 25,221,303.07
  5. Step 5: Solve for x
    x = 25,221,303.07/7,723.89
  6. Step 6: Final answer
    x = 3,265.36

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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.