Home / 3,020.08-4,168.40-1,840.92

Finding the Fourth Proportional to 3,020.08, 4,168.40 and 1,840.92

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Solution

The fourth proportional to 3,020.08, 4,168.40 and 1,840.92 is: 2,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.08 : 4,168.40 = 1,840.92 : x
  2. Step 2: Convert to fraction form
    3,020.08/4,168.40 = 1,840.92/x
  3. Step 3: Cross multiply
    3,020.08x = 4,168.40 × 1,840.92
  4. Step 4: Simplify right side
    3,020.08x = 7,673,690.93
  5. Step 5: Solve for x
    x = 7,673,690.93/3,020.08
  6. Step 6: Final answer
    x = 2,540.89

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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.