Home / 3,161.02-4,742.07-1,601.77

Finding the Fourth Proportional to 3,161.02, 4,742.07 and 1,601.77

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Solution

The fourth proportional to 3,161.02, 4,742.07 and 1,601.77 is: 2,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.02 : 4,742.07 = 1,601.77 : x
  2. Step 2: Convert to fraction form
    3,161.02/4,742.07 = 1,601.77/x
  3. Step 3: Cross multiply
    3,161.02x = 4,742.07 × 1,601.77
  4. Step 4: Simplify right side
    3,161.02x = 7,595,705.46
  5. Step 5: Solve for x
    x = 7,595,705.46/3,161.02
  6. Step 6: Final answer
    x = 2,402.93

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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.