Home / 3,090.38-4,623.93-2,167.74

Finding the Fourth Proportional to 3,090.38, 4,623.93 and 2,167.74

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Solution

The fourth proportional to 3,090.38, 4,623.93 and 2,167.74 is: 3,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.38 : 4,623.93 = 2,167.74 : x
  2. Step 2: Convert to fraction form
    3,090.38/4,623.93 = 2,167.74/x
  3. Step 3: Cross multiply
    3,090.38x = 4,623.93 × 2,167.74
  4. Step 4: Simplify right side
    3,090.38x = 10,023,478.02
  5. Step 5: Solve for x
    x = 10,023,478.02/3,090.38
  6. Step 6: Final answer
    x = 3,243.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.