Home / 1,905.01-2,857.61-606.38

Finding the Fourth Proportional to 1,905.01, 2,857.61 and 606.38

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Solution

The fourth proportional to 1,905.01, 2,857.61 and 606.38 is: 909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.01 : 2,857.61 = 606.38 : x
  2. Step 2: Convert to fraction form
    1,905.01/2,857.61 = 606.38/x
  3. Step 3: Cross multiply
    1,905.01x = 2,857.61 × 606.38
  4. Step 4: Simplify right side
    1,905.01x = 1,732,784.78
  5. Step 5: Solve for x
    x = 1,732,784.78/1,905.01
  6. Step 6: Final answer
    x = 909.59

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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.