Home / 4,741.68-7,107.39-1,966.59

Finding the Fourth Proportional to 4,741.68, 7,107.39 and 1,966.59

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Solution

The fourth proportional to 4,741.68, 7,107.39 and 1,966.59 is: 2,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.68 : 7,107.39 = 1,966.59 : x
  2. Step 2: Convert to fraction form
    4,741.68/7,107.39 = 1,966.59/x
  3. Step 3: Cross multiply
    4,741.68x = 7,107.39 × 1,966.59
  4. Step 4: Simplify right side
    4,741.68x = 13,977,322.10
  5. Step 5: Solve for x
    x = 13,977,322.10/4,741.68
  6. Step 6: Final answer
    x = 2,947.76

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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.