Home / 3,135.81-4,700.67-1,160.88

Finding the Fourth Proportional to 3,135.81, 4,700.67 and 1,160.88

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Solution

The fourth proportional to 3,135.81, 4,700.67 and 1,160.88 is: 1,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.81 : 4,700.67 = 1,160.88 : x
  2. Step 2: Convert to fraction form
    3,135.81/4,700.67 = 1,160.88/x
  3. Step 3: Cross multiply
    3,135.81x = 4,700.67 × 1,160.88
  4. Step 4: Simplify right side
    3,135.81x = 5,456,913.79
  5. Step 5: Solve for x
    x = 5,456,913.79/3,135.81
  6. Step 6: Final answer
    x = 1,740.19

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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.