Home / 3,541.12-4,886.76-1,969.22

Finding the Fourth Proportional to 3,541.12, 4,886.76 and 1,969.22

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Solution

The fourth proportional to 3,541.12, 4,886.76 and 1,969.22 is: 2,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.12 : 4,886.76 = 1,969.22 : x
  2. Step 2: Convert to fraction form
    3,541.12/4,886.76 = 1,969.22/x
  3. Step 3: Cross multiply
    3,541.12x = 4,886.76 × 1,969.22
  4. Step 4: Simplify right side
    3,541.12x = 9,623,105.53
  5. Step 5: Solve for x
    x = 9,623,105.53/3,541.12
  6. Step 6: Final answer
    x = 2,717.53

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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.