Home / 7,618.23-11,425.80-2,071.95

Finding the Fourth Proportional to 7,618.23, 11,425.80 and 2,071.95

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Solution

The fourth proportional to 7,618.23, 11,425.80 and 2,071.95 is: 3,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.23 : 11,425.80 = 2,071.95 : x
  2. Step 2: Convert to fraction form
    7,618.23/11,425.80 = 2,071.95/x
  3. Step 3: Cross multiply
    7,618.23x = 11,425.80 × 2,071.95
  4. Step 4: Simplify right side
    7,618.23x = 23,673,686.31
  5. Step 5: Solve for x
    x = 23,673,686.31/7,618.23
  6. Step 6: Final answer
    x = 3,107.50

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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.