Home / 2,187.19-3,282.44-1,603.67

Finding the Fourth Proportional to 2,187.19, 3,282.44 and 1,603.67

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Solution

The fourth proportional to 2,187.19, 3,282.44 and 1,603.67 is: 2,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.19 : 3,282.44 = 1,603.67 : x
  2. Step 2: Convert to fraction form
    2,187.19/3,282.44 = 1,603.67/x
  3. Step 3: Cross multiply
    2,187.19x = 3,282.44 × 1,603.67
  4. Step 4: Simplify right side
    2,187.19x = 5,263,935.14
  5. Step 5: Solve for x
    x = 5,263,935.14/2,187.19
  6. Step 6: Final answer
    x = 2,406.72

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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.