Home / 3,541.69-4,887.19-1,969.69

Finding the Fourth Proportional to 3,541.69, 4,887.19 and 1,969.69

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Solution

The fourth proportional to 3,541.69, 4,887.19 and 1,969.69 is: 2,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.69 : 4,887.19 = 1,969.69 : x
  2. Step 2: Convert to fraction form
    3,541.69/4,887.19 = 1,969.69/x
  3. Step 3: Cross multiply
    3,541.69x = 4,887.19 × 1,969.69
  4. Step 4: Simplify right side
    3,541.69x = 9,626,239.42
  5. Step 5: Solve for x
    x = 9,626,239.42/3,541.69
  6. Step 6: Final answer
    x = 2,717.98

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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.