Home / 5,090.24-7,023.92-2,851.64

Finding the Fourth Proportional to 5,090.24, 7,023.92 and 2,851.64

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Solution

The fourth proportional to 5,090.24, 7,023.92 and 2,851.64 is: 3,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.24 : 7,023.92 = 2,851.64 : x
  2. Step 2: Convert to fraction form
    5,090.24/7,023.92 = 2,851.64/x
  3. Step 3: Cross multiply
    5,090.24x = 7,023.92 × 2,851.64
  4. Step 4: Simplify right side
    5,090.24x = 20,029,697.82
  5. Step 5: Solve for x
    x = 20,029,697.82/5,090.24
  6. Step 6: Final answer
    x = 3,934.92

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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.