Home / 7,425.18-11,133.75-3,045.78

Finding the Fourth Proportional to 7,425.18, 11,133.75 and 3,045.78

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Solution

The fourth proportional to 7,425.18, 11,133.75 and 3,045.78 is: 4,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.18 : 11,133.75 = 3,045.78 : x
  2. Step 2: Convert to fraction form
    7,425.18/11,133.75 = 3,045.78/x
  3. Step 3: Cross multiply
    7,425.18x = 11,133.75 × 3,045.78
  4. Step 4: Simplify right side
    7,425.18x = 33,910,953.08
  5. Step 5: Solve for x
    x = 33,910,953.08/7,425.18
  6. Step 6: Final answer
    x = 4,567.02

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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.