Home / 2,187.76-3,283.06-1,033.60

Finding the Fourth Proportional to 2,187.76, 3,283.06 and 1,033.60

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Solution

The fourth proportional to 2,187.76, 3,283.06 and 1,033.60 is: 1,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.76 : 3,283.06 = 1,033.60 : x
  2. Step 2: Convert to fraction form
    2,187.76/3,283.06 = 1,033.60/x
  3. Step 3: Cross multiply
    2,187.76x = 3,283.06 × 1,033.60
  4. Step 4: Simplify right side
    2,187.76x = 3,393,370.82
  5. Step 5: Solve for x
    x = 3,393,370.82/2,187.76
  6. Step 6: Final answer
    x = 1,551.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.