Home / 4,124.50-5,691.81-2,261.46

Finding the Fourth Proportional to 4,124.50, 5,691.81 and 2,261.46

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Solution

The fourth proportional to 4,124.50, 5,691.81 and 2,261.46 is: 3,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.50 : 5,691.81 = 2,261.46 : x
  2. Step 2: Convert to fraction form
    4,124.50/5,691.81 = 2,261.46/x
  3. Step 3: Cross multiply
    4,124.50x = 5,691.81 × 2,261.46
  4. Step 4: Simplify right side
    4,124.50x = 12,871,800.64
  5. Step 5: Solve for x
    x = 12,871,800.64/4,124.50
  6. Step 6: Final answer
    x = 3,120.81

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1.5x scale

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.