Home / 5,270.41-7,903.26-1,571.65

Finding the Fourth Proportional to 5,270.41, 7,903.26 and 1,571.65

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Solution

The fourth proportional to 5,270.41, 7,903.26 and 1,571.65 is: 2,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.41 : 7,903.26 = 1,571.65 : x
  2. Step 2: Convert to fraction form
    5,270.41/7,903.26 = 1,571.65/x
  3. Step 3: Cross multiply
    5,270.41x = 7,903.26 × 1,571.65
  4. Step 4: Simplify right side
    5,270.41x = 12,421,119.06
  5. Step 5: Solve for x
    x = 12,421,119.06/5,270.41
  6. Step 6: Final answer
    x = 2,356.77

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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.