Home / 3,175.77-4,374.45-2,428.41

Finding the Fourth Proportional to 3,175.77, 4,374.45 and 2,428.41

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Solution

The fourth proportional to 3,175.77, 4,374.45 and 2,428.41 is: 3,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.77 : 4,374.45 = 2,428.41 : x
  2. Step 2: Convert to fraction form
    3,175.77/4,374.45 = 2,428.41/x
  3. Step 3: Cross multiply
    3,175.77x = 4,374.45 × 2,428.41
  4. Step 4: Simplify right side
    3,175.77x = 10,622,958.12
  5. Step 5: Solve for x
    x = 10,622,958.12/3,175.77
  6. Step 6: Final answer
    x = 3,345.00

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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.