Home / 7,270.58-10,909.12-2,652.50

Finding the Fourth Proportional to 7,270.58, 10,909.12 and 2,652.50

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Solution

The fourth proportional to 7,270.58, 10,909.12 and 2,652.50 is: 3,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.58 : 10,909.12 = 2,652.50 : x
  2. Step 2: Convert to fraction form
    7,270.58/10,909.12 = 2,652.50/x
  3. Step 3: Cross multiply
    7,270.58x = 10,909.12 × 2,652.50
  4. Step 4: Simplify right side
    7,270.58x = 28,936,440.80
  5. Step 5: Solve for x
    x = 28,936,440.80/7,270.58
  6. Step 6: Final answer
    x = 3,979.94

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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.