Home / 1,839.69-2,538.77-1,053.73

Finding the Fourth Proportional to 1,839.69, 2,538.77 and 1,053.73

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Solution

The fourth proportional to 1,839.69, 2,538.77 and 1,053.73 is: 1,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.69 : 2,538.77 = 1,053.73 : x
  2. Step 2: Convert to fraction form
    1,839.69/2,538.77 = 1,053.73/x
  3. Step 3: Cross multiply
    1,839.69x = 2,538.77 × 1,053.73
  4. Step 4: Simplify right side
    1,839.69x = 2,675,178.11
  5. Step 5: Solve for x
    x = 2,675,178.11/1,839.69
  6. Step 6: Final answer
    x = 1,454.15

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1.5x scale

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.