Home / 5,257.20-7,252.40-3,270.08

Finding the Fourth Proportional to 5,257.20, 7,252.40 and 3,270.08

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Solution

The fourth proportional to 5,257.20, 7,252.40 and 3,270.08 is: 4,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.20 : 7,252.40 = 3,270.08 : x
  2. Step 2: Convert to fraction form
    5,257.20/7,252.40 = 3,270.08/x
  3. Step 3: Cross multiply
    5,257.20x = 7,252.40 × 3,270.08
  4. Step 4: Simplify right side
    5,257.20x = 23,715,928.19
  5. Step 5: Solve for x
    x = 23,715,928.19/5,257.20
  6. Step 6: Final answer
    x = 4,511.13

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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.