Home / 4,090.26-5,643.72-2,365.20

Finding the Fourth Proportional to 4,090.26, 5,643.72 and 2,365.20

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Solution

The fourth proportional to 4,090.26, 5,643.72 and 2,365.20 is: 3,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.26 : 5,643.72 = 2,365.20 : x
  2. Step 2: Convert to fraction form
    4,090.26/5,643.72 = 2,365.20/x
  3. Step 3: Cross multiply
    4,090.26x = 5,643.72 × 2,365.20
  4. Step 4: Simplify right side
    4,090.26x = 13,348,526.54
  5. Step 5: Solve for x
    x = 13,348,526.54/4,090.26
  6. Step 6: Final answer
    x = 3,263.49

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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.