Home / 5,224.64-7,209.72-2,866.36

Finding the Fourth Proportional to 5,224.64, 7,209.72 and 2,866.36

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Solution

The fourth proportional to 5,224.64, 7,209.72 and 2,866.36 is: 3,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.64 : 7,209.72 = 2,866.36 : x
  2. Step 2: Convert to fraction form
    5,224.64/7,209.72 = 2,866.36/x
  3. Step 3: Cross multiply
    5,224.64x = 7,209.72 × 2,866.36
  4. Step 4: Simplify right side
    5,224.64x = 20,665,653.02
  5. Step 5: Solve for x
    x = 20,665,653.02/5,224.64
  6. Step 6: Final answer
    x = 3,955.42

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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.