Home / 7,301.17-10,078.83-5,326.78

Finding the Fourth Proportional to 7,301.17, 10,078.83 and 5,326.78

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Solution

The fourth proportional to 7,301.17, 10,078.83 and 5,326.78 is: 7,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.17 : 10,078.83 = 5,326.78 : x
  2. Step 2: Convert to fraction form
    7,301.17/10,078.83 = 5,326.78/x
  3. Step 3: Cross multiply
    7,301.17x = 10,078.83 × 5,326.78
  4. Step 4: Simplify right side
    7,301.17x = 53,687,710.07
  5. Step 5: Solve for x
    x = 53,687,710.07/7,301.17
  6. Step 6: Final answer
    x = 7,353.30

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1.5x scale

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.