Home / 3,243.89-4,476.56-1,751.81

Finding the Fourth Proportional to 3,243.89, 4,476.56 and 1,751.81

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Solution

The fourth proportional to 3,243.89, 4,476.56 and 1,751.81 is: 2,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.89 : 4,476.56 = 1,751.81 : x
  2. Step 2: Convert to fraction form
    3,243.89/4,476.56 = 1,751.81/x
  3. Step 3: Cross multiply
    3,243.89x = 4,476.56 × 1,751.81
  4. Step 4: Simplify right side
    3,243.89x = 7,842,068.68
  5. Step 5: Solve for x
    x = 7,842,068.68/3,243.89
  6. Step 6: Final answer
    x = 2,417.49

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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.