Home / 1,886.22-2,603.06-1,256.33

Finding the Fourth Proportional to 1,886.22, 2,603.06 and 1,256.33

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Solution

The fourth proportional to 1,886.22, 2,603.06 and 1,256.33 is: 1,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.22 : 2,603.06 = 1,256.33 : x
  2. Step 2: Convert to fraction form
    1,886.22/2,603.06 = 1,256.33/x
  3. Step 3: Cross multiply
    1,886.22x = 2,603.06 × 1,256.33
  4. Step 4: Simplify right side
    1,886.22x = 3,270,304.67
  5. Step 5: Solve for x
    x = 3,270,304.67/1,886.22
  6. Step 6: Final answer
    x = 1,733.78

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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.