Home / 1,157.79-1,596.82-1,025.14

Finding the Fourth Proportional to 1,157.79, 1,596.82 and 1,025.14

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Solution

The fourth proportional to 1,157.79, 1,596.82 and 1,025.14 is: 1,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.79 : 1,596.82 = 1,025.14 : x
  2. Step 2: Convert to fraction form
    1,157.79/1,596.82 = 1,025.14/x
  3. Step 3: Cross multiply
    1,157.79x = 1,596.82 × 1,025.14
  4. Step 4: Simplify right side
    1,157.79x = 1,636,964.05
  5. Step 5: Solve for x
    x = 1,636,964.05/1,157.79
  6. Step 6: Final answer
    x = 1,413.87

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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.