Home / 5,222.74-7,828.57-2,447.07

Finding the Fourth Proportional to 5,222.74, 7,828.57 and 2,447.07

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Solution

The fourth proportional to 5,222.74, 7,828.57 and 2,447.07 is: 3,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.74 : 7,828.57 = 2,447.07 : x
  2. Step 2: Convert to fraction form
    5,222.74/7,828.57 = 2,447.07/x
  3. Step 3: Cross multiply
    5,222.74x = 7,828.57 × 2,447.07
  4. Step 4: Simplify right side
    5,222.74x = 19,157,007.41
  5. Step 5: Solve for x
    x = 19,157,007.41/5,222.74
  6. Step 6: Final answer
    x = 3,668.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.