Home / 1,886.44-2,603.37-1,100.74

Finding the Fourth Proportional to 1,886.44, 2,603.37 and 1,100.74

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Solution

The fourth proportional to 1,886.44, 2,603.37 and 1,100.74 is: 1,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.44 : 2,603.37 = 1,100.74 : x
  2. Step 2: Convert to fraction form
    1,886.44/2,603.37 = 1,100.74/x
  3. Step 3: Cross multiply
    1,886.44x = 2,603.37 × 1,100.74
  4. Step 4: Simplify right side
    1,886.44x = 2,865,633.49
  5. Step 5: Solve for x
    x = 2,865,633.49/1,886.44
  6. Step 6: Final answer
    x = 1,519.07

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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.