Home / 5,212.02-7,192.29-2,853.69

Finding the Fourth Proportional to 5,212.02, 7,192.29 and 2,853.69

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Solution

The fourth proportional to 5,212.02, 7,192.29 and 2,853.69 is: 3,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.02 : 7,192.29 = 2,853.69 : x
  2. Step 2: Convert to fraction form
    5,212.02/7,192.29 = 2,853.69/x
  3. Step 3: Cross multiply
    5,212.02x = 7,192.29 × 2,853.69
  4. Step 4: Simplify right side
    5,212.02x = 20,524,566.05
  5. Step 5: Solve for x
    x = 20,524,566.05/5,212.02
  6. Step 6: Final answer
    x = 3,937.93

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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.