Home / 4,090.91-5,645.40-2,322.50

Finding the Fourth Proportional to 4,090.91, 5,645.40 and 2,322.50

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Solution

The fourth proportional to 4,090.91, 5,645.40 and 2,322.50 is: 3,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.91 : 5,645.40 = 2,322.50 : x
  2. Step 2: Convert to fraction form
    4,090.91/5,645.40 = 2,322.50/x
  3. Step 3: Cross multiply
    4,090.91x = 5,645.40 × 2,322.50
  4. Step 4: Simplify right side
    4,090.91x = 13,111,441.50
  5. Step 5: Solve for x
    x = 13,111,441.50/4,090.91
  6. Step 6: Final answer
    x = 3,205.02

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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.