Home / 6,717.81-10,078.53-2,335.51

Finding the Fourth Proportional to 6,717.81, 10,078.53 and 2,335.51

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Solution

The fourth proportional to 6,717.81, 10,078.53 and 2,335.51 is: 3,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.81 : 10,078.53 = 2,335.51 : x
  2. Step 2: Convert to fraction form
    6,717.81/10,078.53 = 2,335.51/x
  3. Step 3: Cross multiply
    6,717.81x = 10,078.53 × 2,335.51
  4. Step 4: Simplify right side
    6,717.81x = 23,538,507.60
  5. Step 5: Solve for x
    x = 23,538,507.60/6,717.81
  6. Step 6: Final answer
    x = 3,503.90

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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.