Home / 5,208.93-7,188.18-2,851.02

Finding the Fourth Proportional to 5,208.93, 7,188.18 and 2,851.02

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Solution

The fourth proportional to 5,208.93, 7,188.18 and 2,851.02 is: 3,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.93 : 7,188.18 = 2,851.02 : x
  2. Step 2: Convert to fraction form
    5,208.93/7,188.18 = 2,851.02/x
  3. Step 3: Cross multiply
    5,208.93x = 7,188.18 × 2,851.02
  4. Step 4: Simplify right side
    5,208.93x = 20,493,644.94
  5. Step 5: Solve for x
    x = 20,493,644.94/5,208.93
  6. Step 6: Final answer
    x = 3,934.33

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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.