Home / 3,153.66-4,352.05-1,756.41

Finding the Fourth Proportional to 3,153.66, 4,352.05 and 1,756.41

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Solution

The fourth proportional to 3,153.66, 4,352.05 and 1,756.41 is: 2,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.66 : 4,352.05 = 1,756.41 : x
  2. Step 2: Convert to fraction form
    3,153.66/4,352.05 = 1,756.41/x
  3. Step 3: Cross multiply
    3,153.66x = 4,352.05 × 1,756.41
  4. Step 4: Simplify right side
    3,153.66x = 7,643,960.14
  5. Step 5: Solve for x
    x = 7,643,960.14/3,153.66
  6. Step 6: Final answer
    x = 2,423.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.