Home / 5,102.02-7,040.59-2,863.99

Finding the Fourth Proportional to 5,102.02, 7,040.59 and 2,863.99

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Solution

The fourth proportional to 5,102.02, 7,040.59 and 2,863.99 is: 3,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.02 : 7,040.59 = 2,863.99 : x
  2. Step 2: Convert to fraction form
    5,102.02/7,040.59 = 2,863.99/x
  3. Step 3: Cross multiply
    5,102.02x = 7,040.59 × 2,863.99
  4. Step 4: Simplify right side
    5,102.02x = 20,164,179.35
  5. Step 5: Solve for x
    x = 20,164,179.35/5,102.02
  6. Step 6: Final answer
    x = 3,952.20

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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.