Home / 5,406.81-7,461.20-3,016.68

Finding the Fourth Proportional to 5,406.81, 7,461.20 and 3,016.68

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Solution

The fourth proportional to 5,406.81, 7,461.20 and 3,016.68 is: 4,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.81 : 7,461.20 = 3,016.68 : x
  2. Step 2: Convert to fraction form
    5,406.81/7,461.20 = 3,016.68/x
  3. Step 3: Cross multiply
    5,406.81x = 7,461.20 × 3,016.68
  4. Step 4: Simplify right side
    5,406.81x = 22,508,037.73
  5. Step 5: Solve for x
    x = 22,508,037.73/5,406.81
  6. Step 6: Final answer
    x = 4,162.91

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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.