Home / 2,698.17-4,048.26-943.30

Finding the Fourth Proportional to 2,698.17, 4,048.26 and 943.30

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Solution

The fourth proportional to 2,698.17, 4,048.26 and 943.30 is: 1,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.17 : 4,048.26 = 943.30 : x
  2. Step 2: Convert to fraction form
    2,698.17/4,048.26 = 943.30/x
  3. Step 3: Cross multiply
    2,698.17x = 4,048.26 × 943.30
  4. Step 4: Simplify right side
    2,698.17x = 3,818,723.66
  5. Step 5: Solve for x
    x = 3,818,723.66/2,698.17
  6. Step 6: Final answer
    x = 1,415.30

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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.