Home / 7,431.80-11,152.02-3,052.40

Finding the Fourth Proportional to 7,431.80, 11,152.02 and 3,052.40

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Solution

The fourth proportional to 7,431.80, 11,152.02 and 3,052.40 is: 4,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.80 : 11,152.02 = 3,052.40 : x
  2. Step 2: Convert to fraction form
    7,431.80/11,152.02 = 3,052.40/x
  3. Step 3: Cross multiply
    7,431.80x = 11,152.02 × 3,052.40
  4. Step 4: Simplify right side
    7,431.80x = 34,040,425.85
  5. Step 5: Solve for x
    x = 34,040,425.85/7,431.80
  6. Step 6: Final answer
    x = 4,580.37

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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.