Home / 2,190.08-3,267.68-2,035.20

Finding the Fourth Proportional to 2,190.08, 3,267.68 and 2,035.20

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Solution

The fourth proportional to 2,190.08, 3,267.68 and 2,035.20 is: 3,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.08 : 3,267.68 = 2,035.20 : x
  2. Step 2: Convert to fraction form
    2,190.08/3,267.68 = 2,035.20/x
  3. Step 3: Cross multiply
    2,190.08x = 3,267.68 × 2,035.20
  4. Step 4: Simplify right side
    2,190.08x = 6,650,382.34
  5. Step 5: Solve for x
    x = 6,650,382.34/2,190.08
  6. Step 6: Final answer
    x = 3,036.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.