Home / 2,996.55-4,135.05-1,670.22

Finding the Fourth Proportional to 2,996.55, 4,135.05 and 1,670.22

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Solution

The fourth proportional to 2,996.55, 4,135.05 and 1,670.22 is: 2,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.55 : 4,135.05 = 1,670.22 : x
  2. Step 2: Convert to fraction form
    2,996.55/4,135.05 = 1,670.22/x
  3. Step 3: Cross multiply
    2,996.55x = 4,135.05 × 1,670.22
  4. Step 4: Simplify right side
    2,996.55x = 6,906,443.21
  5. Step 5: Solve for x
    x = 6,906,443.21/2,996.55
  6. Step 6: Final answer
    x = 2,304.80

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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.