Home / 2,083.36-2,875.44-1,297.12

Finding the Fourth Proportional to 2,083.36, 2,875.44 and 1,297.12

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Solution

The fourth proportional to 2,083.36, 2,875.44 and 1,297.12 is: 1,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.36 : 2,875.44 = 1,297.12 : x
  2. Step 2: Convert to fraction form
    2,083.36/2,875.44 = 1,297.12/x
  3. Step 3: Cross multiply
    2,083.36x = 2,875.44 × 1,297.12
  4. Step 4: Simplify right side
    2,083.36x = 3,729,790.73
  5. Step 5: Solve for x
    x = 3,729,790.73/2,083.36
  6. Step 6: Final answer
    x = 1,790.28

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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.