Home / 2,315.34-3,471.66-1,015.38

Finding the Fourth Proportional to 2,315.34, 3,471.66 and 1,015.38

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Solution

The fourth proportional to 2,315.34, 3,471.66 and 1,015.38 is: 1,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.34 : 3,471.66 = 1,015.38 : x
  2. Step 2: Convert to fraction form
    2,315.34/3,471.66 = 1,015.38/x
  3. Step 3: Cross multiply
    2,315.34x = 3,471.66 × 1,015.38
  4. Step 4: Simplify right side
    2,315.34x = 3,525,054.13
  5. Step 5: Solve for x
    x = 3,525,054.13/2,315.34
  6. Step 6: Final answer
    x = 1,522.48

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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.