Home / 3,110.79-4,666.20-2,133.93

Finding the Fourth Proportional to 3,110.79, 4,666.20 and 2,133.93

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Solution

The fourth proportional to 3,110.79, 4,666.20 and 2,133.93 is: 3,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.79 : 4,666.20 = 2,133.93 : x
  2. Step 2: Convert to fraction form
    3,110.79/4,666.20 = 2,133.93/x
  3. Step 3: Cross multiply
    3,110.79x = 4,666.20 × 2,133.93
  4. Step 4: Simplify right side
    3,110.79x = 9,957,333.50
  5. Step 5: Solve for x
    x = 9,957,333.50/3,110.79
  6. Step 6: Final answer
    x = 3,200.90

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1.5x scale

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.