Home / 4,079.02-5,629.08-2,400.43

Finding the Fourth Proportional to 4,079.02, 5,629.08 and 2,400.43

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Solution

The fourth proportional to 4,079.02, 5,629.08 and 2,400.43 is: 3,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.02 : 5,629.08 = 2,400.43 : x
  2. Step 2: Convert to fraction form
    4,079.02/5,629.08 = 2,400.43/x
  3. Step 3: Cross multiply
    4,079.02x = 5,629.08 × 2,400.43
  4. Step 4: Simplify right side
    4,079.02x = 13,512,212.50
  5. Step 5: Solve for x
    x = 13,512,212.50/4,079.02
  6. Step 6: Final answer
    x = 3,312.61

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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.