Home / 3,009.15-4,152.26-1,682.37

Finding the Fourth Proportional to 3,009.15, 4,152.26 and 1,682.37

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Solution

The fourth proportional to 3,009.15, 4,152.26 and 1,682.37 is: 2,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.15 : 4,152.26 = 1,682.37 : x
  2. Step 2: Convert to fraction form
    3,009.15/4,152.26 = 1,682.37/x
  3. Step 3: Cross multiply
    3,009.15x = 4,152.26 × 1,682.37
  4. Step 4: Simplify right side
    3,009.15x = 6,985,641.86
  5. Step 5: Solve for x
    x = 6,985,641.86/3,009.15
  6. Step 6: Final answer
    x = 2,321.47

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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.