Home / 2,905.49-4,010.60-1,726.56

Finding the Fourth Proportional to 2,905.49, 4,010.60 and 1,726.56

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Solution

The fourth proportional to 2,905.49, 4,010.60 and 1,726.56 is: 2,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.49 : 4,010.60 = 1,726.56 : x
  2. Step 2: Convert to fraction form
    2,905.49/4,010.60 = 1,726.56/x
  3. Step 3: Cross multiply
    2,905.49x = 4,010.60 × 1,726.56
  4. Step 4: Simplify right side
    2,905.49x = 6,924,532.90
  5. Step 5: Solve for x
    x = 6,924,532.90/2,905.49
  6. Step 6: Final answer
    x = 2,383.26

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1.5x scale

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.