Home / 5,370.75-7,412.45-3,276.09

Finding the Fourth Proportional to 5,370.75, 7,412.45 and 3,276.09

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Solution

The fourth proportional to 5,370.75, 7,412.45 and 3,276.09 is: 4,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.75 : 7,412.45 = 3,276.09 : x
  2. Step 2: Convert to fraction form
    5,370.75/7,412.45 = 3,276.09/x
  3. Step 3: Cross multiply
    5,370.75x = 7,412.45 × 3,276.09
  4. Step 4: Simplify right side
    5,370.75x = 24,283,836.94
  5. Step 5: Solve for x
    x = 24,283,836.94/5,370.75
  6. Step 6: Final answer
    x = 4,521.50

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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.