Home / 3,009.03-4,152.30-1,682.49

Finding the Fourth Proportional to 3,009.03, 4,152.30 and 1,682.49

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Solution

The fourth proportional to 3,009.03, 4,152.30 and 1,682.49 is: 2,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.03 : 4,152.30 = 1,682.49 : x
  2. Step 2: Convert to fraction form
    3,009.03/4,152.30 = 1,682.49/x
  3. Step 3: Cross multiply
    3,009.03x = 4,152.30 × 1,682.49
  4. Step 4: Simplify right side
    3,009.03x = 6,986,203.23
  5. Step 5: Solve for x
    x = 6,986,203.23/3,009.03
  6. Step 6: Final answer
    x = 2,321.75

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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.