Home / 2,482.02-3,723.14-1,385.55

Finding the Fourth Proportional to 2,482.02, 3,723.14 and 1,385.55

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Solution

The fourth proportional to 2,482.02, 3,723.14 and 1,385.55 is: 2,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.02 : 3,723.14 = 1,385.55 : x
  2. Step 2: Convert to fraction form
    2,482.02/3,723.14 = 1,385.55/x
  3. Step 3: Cross multiply
    2,482.02x = 3,723.14 × 1,385.55
  4. Step 4: Simplify right side
    2,482.02x = 5,158,600.09
  5. Step 5: Solve for x
    x = 5,158,600.09/2,482.02
  6. Step 6: Final answer
    x = 2,078.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.