Home / 7,108.02-9,805.68-4,274.10

Finding the Fourth Proportional to 7,108.02, 9,805.68 and 4,274.10

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Solution

The fourth proportional to 7,108.02, 9,805.68 and 4,274.10 is: 5,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.02 : 9,805.68 = 4,274.10 : x
  2. Step 2: Convert to fraction form
    7,108.02/9,805.68 = 4,274.10/x
  3. Step 3: Cross multiply
    7,108.02x = 9,805.68 × 4,274.10
  4. Step 4: Simplify right side
    7,108.02x = 41,910,456.89
  5. Step 5: Solve for x
    x = 41,910,456.89/7,108.02
  6. Step 6: Final answer
    x = 5,896.22

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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.