Home / 5,224.29-7,209.66-2,866.47

Finding the Fourth Proportional to 5,224.29, 7,209.66 and 2,866.47

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Solution

The fourth proportional to 5,224.29, 7,209.66 and 2,866.47 is: 3,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.29 : 7,209.66 = 2,866.47 : x
  2. Step 2: Convert to fraction form
    5,224.29/7,209.66 = 2,866.47/x
  3. Step 3: Cross multiply
    5,224.29x = 7,209.66 × 2,866.47
  4. Step 4: Simplify right side
    5,224.29x = 20,666,274.10
  5. Step 5: Solve for x
    x = 20,666,274.10/5,224.29
  6. Step 6: Final answer
    x = 3,955.81

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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.