Home / 3,541.51-4,887.16-1,969.57

Finding the Fourth Proportional to 3,541.51, 4,887.16 and 1,969.57

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Solution

The fourth proportional to 3,541.51, 4,887.16 and 1,969.57 is: 2,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.51 : 4,887.16 = 1,969.57 : x
  2. Step 2: Convert to fraction form
    3,541.51/4,887.16 = 1,969.57/x
  3. Step 3: Cross multiply
    3,541.51x = 4,887.16 × 1,969.57
  4. Step 4: Simplify right side
    3,541.51x = 9,625,603.72
  5. Step 5: Solve for x
    x = 9,625,603.72/3,541.51
  6. Step 6: Final answer
    x = 2,717.94

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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.