Home / 3,541.16-4,886.76-1,969.28

Finding the Fourth Proportional to 3,541.16, 4,886.76 and 1,969.28

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Solution

The fourth proportional to 3,541.16, 4,886.76 and 1,969.28 is: 2,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.16 : 4,886.76 = 1,969.28 : x
  2. Step 2: Convert to fraction form
    3,541.16/4,886.76 = 1,969.28/x
  3. Step 3: Cross multiply
    3,541.16x = 4,886.76 × 1,969.28
  4. Step 4: Simplify right side
    3,541.16x = 9,623,398.73
  5. Step 5: Solve for x
    x = 9,623,398.73/3,541.16
  6. Step 6: Final answer
    x = 2,717.58

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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.