Home / 5,239.27-7,821.57-4,551.31

Finding the Fourth Proportional to 5,239.27, 7,821.57 and 4,551.31

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Solution

The fourth proportional to 5,239.27, 7,821.57 and 4,551.31 is: 6,794.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.27 : 7,821.57 = 4,551.31 : x
  2. Step 2: Convert to fraction form
    5,239.27/7,821.57 = 4,551.31/x
  3. Step 3: Cross multiply
    5,239.27x = 7,821.57 × 4,551.31
  4. Step 4: Simplify right side
    5,239.27x = 35,598,389.76
  5. Step 5: Solve for x
    x = 35,598,389.76/5,239.27
  6. Step 6: Final answer
    x = 6,794.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.