Home / 3,009.06-4,152.60-1,682.88

Finding the Fourth Proportional to 3,009.06, 4,152.60 and 1,682.88

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Solution

The fourth proportional to 3,009.06, 4,152.60 and 1,682.88 is: 2,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.06 : 4,152.60 = 1,682.88 : x
  2. Step 2: Convert to fraction form
    3,009.06/4,152.60 = 1,682.88/x
  3. Step 3: Cross multiply
    3,009.06x = 4,152.60 × 1,682.88
  4. Step 4: Simplify right side
    3,009.06x = 6,988,327.49
  5. Step 5: Solve for x
    x = 6,988,327.49/3,009.06
  6. Step 6: Final answer
    x = 2,322.43

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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.