Home / 1,940.25-2,677.49-1,056.04

Finding the Fourth Proportional to 1,940.25, 2,677.49 and 1,056.04

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Solution

The fourth proportional to 1,940.25, 2,677.49 and 1,056.04 is: 1,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.25 : 2,677.49 = 1,056.04 : x
  2. Step 2: Convert to fraction form
    1,940.25/2,677.49 = 1,056.04/x
  3. Step 3: Cross multiply
    1,940.25x = 2,677.49 × 1,056.04
  4. Step 4: Simplify right side
    1,940.25x = 2,827,528.53
  5. Step 5: Solve for x
    x = 2,827,528.53/1,940.25
  6. Step 6: Final answer
    x = 1,457.30

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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.