Home / 3,001.35-4,479.10-2,673.30

Finding the Fourth Proportional to 3,001.35, 4,479.10 and 2,673.30

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Solution

The fourth proportional to 3,001.35, 4,479.10 and 2,673.30 is: 3,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.35 : 4,479.10 = 2,673.30 : x
  2. Step 2: Convert to fraction form
    3,001.35/4,479.10 = 2,673.30/x
  3. Step 3: Cross multiply
    3,001.35x = 4,479.10 × 2,673.30
  4. Step 4: Simplify right side
    3,001.35x = 11,973,978.03
  5. Step 5: Solve for x
    x = 11,973,978.03/3,001.35
  6. Step 6: Final answer
    x = 3,989.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.