Home / 3,968.73-5,475.20-2,477.25

Finding the Fourth Proportional to 3,968.73, 5,475.20 and 2,477.25

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Solution

The fourth proportional to 3,968.73, 5,475.20 and 2,477.25 is: 3,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.73 : 5,475.20 = 2,477.25 : x
  2. Step 2: Convert to fraction form
    3,968.73/5,475.20 = 2,477.25/x
  3. Step 3: Cross multiply
    3,968.73x = 5,475.20 × 2,477.25
  4. Step 4: Simplify right side
    3,968.73x = 13,563,426.81
  5. Step 5: Solve for x
    x = 13,563,426.81/3,968.73
  6. Step 6: Final answer
    x = 3,417.57

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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.