Home / 4,322.21-5,964.48-2,643.69

Finding the Fourth Proportional to 4,322.21, 5,964.48 and 2,643.69

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Solution

The fourth proportional to 4,322.21, 5,964.48 and 2,643.69 is: 3,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.21 : 5,964.48 = 2,643.69 : x
  2. Step 2: Convert to fraction form
    4,322.21/5,964.48 = 2,643.69/x
  3. Step 3: Cross multiply
    4,322.21x = 5,964.48 × 2,643.69
  4. Step 4: Simplify right side
    4,322.21x = 15,768,236.13
  5. Step 5: Solve for x
    x = 15,768,236.13/4,322.21
  6. Step 6: Final answer
    x = 3,648.19

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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.