Home / 5,224.49-7,209.74-2,866.64

Finding the Fourth Proportional to 5,224.49, 7,209.74 and 2,866.64

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Solution

The fourth proportional to 5,224.49, 7,209.74 and 2,866.64 is: 3,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.49 : 7,209.74 = 2,866.64 : x
  2. Step 2: Convert to fraction form
    5,224.49/7,209.74 = 2,866.64/x
  3. Step 3: Cross multiply
    5,224.49x = 7,209.74 × 2,866.64
  4. Step 4: Simplify right side
    5,224.49x = 20,667,678.69
  5. Step 5: Solve for x
    x = 20,667,678.69/5,224.49
  6. Step 6: Final answer
    x = 3,955.92

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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.