Home / 5,152.02-7,109.78-2,794.17

Finding the Fourth Proportional to 5,152.02, 7,109.78 and 2,794.17

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Solution

The fourth proportional to 5,152.02, 7,109.78 and 2,794.17 is: 3,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.02 : 7,109.78 = 2,794.17 : x
  2. Step 2: Convert to fraction form
    5,152.02/7,109.78 = 2,794.17/x
  3. Step 3: Cross multiply
    5,152.02x = 7,109.78 × 2,794.17
  4. Step 4: Simplify right side
    5,152.02x = 19,865,933.98
  5. Step 5: Solve for x
    x = 19,865,933.98/5,152.02
  6. Step 6: Final answer
    x = 3,855.95

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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.