Home / 5,351.25-7,384.05-2,960.91

Finding the Fourth Proportional to 5,351.25, 7,384.05 and 2,960.91

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Solution

The fourth proportional to 5,351.25, 7,384.05 and 2,960.91 is: 4,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.25 : 7,384.05 = 2,960.91 : x
  2. Step 2: Convert to fraction form
    5,351.25/7,384.05 = 2,960.91/x
  3. Step 3: Cross multiply
    5,351.25x = 7,384.05 × 2,960.91
  4. Step 4: Simplify right side
    5,351.25x = 21,863,507.49
  5. Step 5: Solve for x
    x = 21,863,507.49/5,351.25
  6. Step 6: Final answer
    x = 4,085.68

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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.