Home / 1,919.34-2,864.03-1,712.48

Finding the Fourth Proportional to 1,919.34, 2,864.03 and 1,712.48

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Solution

The fourth proportional to 1,919.34, 2,864.03 and 1,712.48 is: 2,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.34 : 2,864.03 = 1,712.48 : x
  2. Step 2: Convert to fraction form
    1,919.34/2,864.03 = 1,712.48/x
  3. Step 3: Cross multiply
    1,919.34x = 2,864.03 × 1,712.48
  4. Step 4: Simplify right side
    1,919.34x = 4,904,594.09
  5. Step 5: Solve for x
    x = 4,904,594.09/1,919.34
  6. Step 6: Final answer
    x = 2,555.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.