Home / 4,127.79-5,698.04-3,078.03

Finding the Fourth Proportional to 4,127.79, 5,698.04 and 3,078.03

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Solution

The fourth proportional to 4,127.79, 5,698.04 and 3,078.03 is: 4,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.79 : 5,698.04 = 3,078.03 : x
  2. Step 2: Convert to fraction form
    4,127.79/5,698.04 = 3,078.03/x
  3. Step 3: Cross multiply
    4,127.79x = 5,698.04 × 3,078.03
  4. Step 4: Simplify right side
    4,127.79x = 17,538,722.67
  5. Step 5: Solve for x
    x = 17,538,722.67/4,127.79
  6. Step 6: Final answer
    x = 4,248.94

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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.