Home / 2,090.46-2,880.87-1,499.97

Finding the Fourth Proportional to 2,090.46, 2,880.87 and 1,499.97

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Solution

The fourth proportional to 2,090.46, 2,880.87 and 1,499.97 is: 2,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.46 : 2,880.87 = 1,499.97 : x
  2. Step 2: Convert to fraction form
    2,090.46/2,880.87 = 1,499.97/x
  3. Step 3: Cross multiply
    2,090.46x = 2,880.87 × 1,499.97
  4. Step 4: Simplify right side
    2,090.46x = 4,321,218.57
  5. Step 5: Solve for x
    x = 4,321,218.57/2,090.46
  6. Step 6: Final answer
    x = 2,067.11

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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.