Home / 1,905.08-2,857.92-606.46

Finding the Fourth Proportional to 1,905.08, 2,857.92 and 606.46

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Solution

The fourth proportional to 1,905.08, 2,857.92 and 606.46 is: 909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.08 : 2,857.92 = 606.46 : x
  2. Step 2: Convert to fraction form
    1,905.08/2,857.92 = 606.46/x
  3. Step 3: Cross multiply
    1,905.08x = 2,857.92 × 606.46
  4. Step 4: Simplify right side
    1,905.08x = 1,733,214.16
  5. Step 5: Solve for x
    x = 1,733,214.16/1,905.08
  6. Step 6: Final answer
    x = 909.79

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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.