Home / 1,892.49-2,611.67-1,053.24

Finding the Fourth Proportional to 1,892.49, 2,611.67 and 1,053.24

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Solution

The fourth proportional to 1,892.49, 2,611.67 and 1,053.24 is: 1,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.49 : 2,611.67 = 1,053.24 : x
  2. Step 2: Convert to fraction form
    1,892.49/2,611.67 = 1,053.24/x
  3. Step 3: Cross multiply
    1,892.49x = 2,611.67 × 1,053.24
  4. Step 4: Simplify right side
    1,892.49x = 2,750,710.04
  5. Step 5: Solve for x
    x = 2,750,710.04/1,892.49
  6. Step 6: Final answer
    x = 1,453.49

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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.