Home / 3,541.29-4,886.99-1,969.38

Finding the Fourth Proportional to 3,541.29, 4,886.99 and 1,969.38

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Solution

The fourth proportional to 3,541.29, 4,886.99 and 1,969.38 is: 2,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.29 : 4,886.99 = 1,969.38 : x
  2. Step 2: Convert to fraction form
    3,541.29/4,886.99 = 1,969.38/x
  3. Step 3: Cross multiply
    3,541.29x = 4,886.99 × 1,969.38
  4. Step 4: Simplify right side
    3,541.29x = 9,624,340.37
  5. Step 5: Solve for x
    x = 9,624,340.37/3,541.29
  6. Step 6: Final answer
    x = 2,717.75

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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.