Home / 3,713.47-5,571.78-1,632.40

Finding the Fourth Proportional to 3,713.47, 5,571.78 and 1,632.40

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Solution

The fourth proportional to 3,713.47, 5,571.78 and 1,632.40 is: 2,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.47 : 5,571.78 = 1,632.40 : x
  2. Step 2: Convert to fraction form
    3,713.47/5,571.78 = 1,632.40/x
  3. Step 3: Cross multiply
    3,713.47x = 5,571.78 × 1,632.40
  4. Step 4: Simplify right side
    3,713.47x = 9,095,373.67
  5. Step 5: Solve for x
    x = 9,095,373.67/3,713.47
  6. Step 6: Final answer
    x = 2,449.29

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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.