Home / 2,643.22-3,956.73-2,365.66

Finding the Fourth Proportional to 2,643.22, 3,956.73 and 2,365.66

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Solution

The fourth proportional to 2,643.22, 3,956.73 and 2,365.66 is: 3,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.22 : 3,956.73 = 2,365.66 : x
  2. Step 2: Convert to fraction form
    2,643.22/3,956.73 = 2,365.66/x
  3. Step 3: Cross multiply
    2,643.22x = 3,956.73 × 2,365.66
  4. Step 4: Simplify right side
    2,643.22x = 9,360,277.89
  5. Step 5: Solve for x
    x = 9,360,277.89/2,643.22
  6. Step 6: Final answer
    x = 3,541.24

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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.