Home / 1,900.12-2,622.08-1,060.86

Finding the Fourth Proportional to 1,900.12, 2,622.08 and 1,060.86

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Solution

The fourth proportional to 1,900.12, 2,622.08 and 1,060.86 is: 1,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.12 : 2,622.08 = 1,060.86 : x
  2. Step 2: Convert to fraction form
    1,900.12/2,622.08 = 1,060.86/x
  3. Step 3: Cross multiply
    1,900.12x = 2,622.08 × 1,060.86
  4. Step 4: Simplify right side
    1,900.12x = 2,781,659.79
  5. Step 5: Solve for x
    x = 2,781,659.79/1,900.12
  6. Step 6: Final answer
    x = 1,463.94

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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.