Home / 3,499.02-4,828.37-2,172.48

Finding the Fourth Proportional to 3,499.02, 4,828.37 and 2,172.48

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Solution

The fourth proportional to 3,499.02, 4,828.37 and 2,172.48 is: 2,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.02 : 4,828.37 = 2,172.48 : x
  2. Step 2: Convert to fraction form
    3,499.02/4,828.37 = 2,172.48/x
  3. Step 3: Cross multiply
    3,499.02x = 4,828.37 × 2,172.48
  4. Step 4: Simplify right side
    3,499.02x = 10,489,537.26
  5. Step 5: Solve for x
    x = 10,489,537.26/3,499.02
  6. Step 6: Final answer
    x = 2,997.85

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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.