Home / 5,605.11-7,735.23-3,087.36

Finding the Fourth Proportional to 5,605.11, 7,735.23 and 3,087.36

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Solution

The fourth proportional to 5,605.11, 7,735.23 and 3,087.36 is: 4,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.11 : 7,735.23 = 3,087.36 : x
  2. Step 2: Convert to fraction form
    5,605.11/7,735.23 = 3,087.36/x
  3. Step 3: Cross multiply
    5,605.11x = 7,735.23 × 3,087.36
  4. Step 4: Simplify right side
    5,605.11x = 23,881,439.69
  5. Step 5: Solve for x
    x = 23,881,439.69/5,605.11
  6. Step 6: Final answer
    x = 4,260.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.