Home / 7,538.19-11,308.55-2,343.75

Finding the Fourth Proportional to 7,538.19, 11,308.55 and 2,343.75

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Solution

The fourth proportional to 7,538.19, 11,308.55 and 2,343.75 is: 3,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.19 : 11,308.55 = 2,343.75 : x
  2. Step 2: Convert to fraction form
    7,538.19/11,308.55 = 2,343.75/x
  3. Step 3: Cross multiply
    7,538.19x = 11,308.55 × 2,343.75
  4. Step 4: Simplify right side
    7,538.19x = 26,504,402.34
  5. Step 5: Solve for x
    x = 26,504,402.34/7,538.19
  6. Step 6: Final answer
    x = 3,516.02

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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.