Home / 2,015.52-3,022.70-698.93

Finding the Fourth Proportional to 2,015.52, 3,022.70 and 698.93

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Solution

The fourth proportional to 2,015.52, 3,022.70 and 698.93 is: 1,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.52 : 3,022.70 = 698.93 : x
  2. Step 2: Convert to fraction form
    2,015.52/3,022.70 = 698.93/x
  3. Step 3: Cross multiply
    2,015.52x = 3,022.70 × 698.93
  4. Step 4: Simplify right side
    2,015.52x = 2,112,655.71
  5. Step 5: Solve for x
    x = 2,112,655.71/2,015.52
  6. Step 6: Final answer
    x = 1,048.19

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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.