Home / 7,459.31-10,278.41-5,333.11

Finding the Fourth Proportional to 7,459.31, 10,278.41 and 5,333.11

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Solution

The fourth proportional to 7,459.31, 10,278.41 and 5,333.11 is: 7,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.31 : 10,278.41 = 5,333.11 : x
  2. Step 2: Convert to fraction form
    7,459.31/10,278.41 = 5,333.11/x
  3. Step 3: Cross multiply
    7,459.31x = 10,278.41 × 5,333.11
  4. Step 4: Simplify right side
    7,459.31x = 54,815,838.79
  5. Step 5: Solve for x
    x = 54,815,838.79/7,459.31
  6. Step 6: Final answer
    x = 7,348.64

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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.