Home / 1,838.75-2,537.66-1,053.05

Finding the Fourth Proportional to 1,838.75, 2,537.66 and 1,053.05

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Solution

The fourth proportional to 1,838.75, 2,537.66 and 1,053.05 is: 1,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.75 : 2,537.66 = 1,053.05 : x
  2. Step 2: Convert to fraction form
    1,838.75/2,537.66 = 1,053.05/x
  3. Step 3: Cross multiply
    1,838.75x = 2,537.66 × 1,053.05
  4. Step 4: Simplify right side
    1,838.75x = 2,672,272.81
  5. Step 5: Solve for x
    x = 2,672,272.81/1,838.75
  6. Step 6: Final answer
    x = 1,453.31

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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.