Home / 2,240.01-3,090.84-1,245.26

Finding the Fourth Proportional to 2,240.01, 3,090.84 and 1,245.26

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Solution

The fourth proportional to 2,240.01, 3,090.84 and 1,245.26 is: 1,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.01 : 3,090.84 = 1,245.26 : x
  2. Step 2: Convert to fraction form
    2,240.01/3,090.84 = 1,245.26/x
  3. Step 3: Cross multiply
    2,240.01x = 3,090.84 × 1,245.26
  4. Step 4: Simplify right side
    2,240.01x = 3,848,899.42
  5. Step 5: Solve for x
    x = 3,848,899.42/2,240.01
  6. Step 6: Final answer
    x = 1,718.25

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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.