Home / 1,940.14-2,677.34-1,055.92

Finding the Fourth Proportional to 1,940.14, 2,677.34 and 1,055.92

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Solution

The fourth proportional to 1,940.14, 2,677.34 and 1,055.92 is: 1,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.14 : 2,677.34 = 1,055.92 : x
  2. Step 2: Convert to fraction form
    1,940.14/2,677.34 = 1,055.92/x
  3. Step 3: Cross multiply
    1,940.14x = 2,677.34 × 1,055.92
  4. Step 4: Simplify right side
    1,940.14x = 2,827,056.85
  5. Step 5: Solve for x
    x = 2,827,056.85/1,940.14
  6. Step 6: Final answer
    x = 1,457.14

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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.