Home / 1,619.61-2,221.93-1,541.18

Finding the Fourth Proportional to 1,619.61, 2,221.93 and 1,541.18

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Solution

The fourth proportional to 1,619.61, 2,221.93 and 1,541.18 is: 2,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.61 : 2,221.93 = 1,541.18 : x
  2. Step 2: Convert to fraction form
    1,619.61/2,221.93 = 1,541.18/x
  3. Step 3: Cross multiply
    1,619.61x = 2,221.93 × 1,541.18
  4. Step 4: Simplify right side
    1,619.61x = 3,424,389.06
  5. Step 5: Solve for x
    x = 3,424,389.06/1,619.61
  6. Step 6: Final answer
    x = 2,114.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.