Home / 3,509.83-5,264.75-1,661.48

Finding the Fourth Proportional to 3,509.83, 5,264.75 and 1,661.48

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Solution

The fourth proportional to 3,509.83, 5,264.75 and 1,661.48 is: 2,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.83 : 5,264.75 = 1,661.48 : x
  2. Step 2: Convert to fraction form
    3,509.83/5,264.75 = 1,661.48/x
  3. Step 3: Cross multiply
    3,509.83x = 5,264.75 × 1,661.48
  4. Step 4: Simplify right side
    3,509.83x = 8,747,276.83
  5. Step 5: Solve for x
    x = 8,747,276.83/3,509.83
  6. Step 6: Final answer
    x = 2,492.22

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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.