Home / 5,269.76-7,904.57-1,571.43

Finding the Fourth Proportional to 5,269.76, 7,904.57 and 1,571.43

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Solution

The fourth proportional to 5,269.76, 7,904.57 and 1,571.43 is: 2,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.76 : 7,904.57 = 1,571.43 : x
  2. Step 2: Convert to fraction form
    5,269.76/7,904.57 = 1,571.43/x
  3. Step 3: Cross multiply
    5,269.76x = 7,904.57 × 1,571.43
  4. Step 4: Simplify right side
    5,269.76x = 12,421,470.58
  5. Step 5: Solve for x
    x = 12,421,470.58/5,269.76
  6. Step 6: Final answer
    x = 2,357.12

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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.