Home / 5,205.68-7,790.88-3,011.12

Finding the Fourth Proportional to 5,205.68, 7,790.88 and 3,011.12

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Solution

The fourth proportional to 5,205.68, 7,790.88 and 3,011.12 is: 4,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.68 : 7,790.88 = 3,011.12 : x
  2. Step 2: Convert to fraction form
    5,205.68/7,790.88 = 3,011.12/x
  3. Step 3: Cross multiply
    5,205.68x = 7,790.88 × 3,011.12
  4. Step 4: Simplify right side
    5,205.68x = 23,459,274.59
  5. Step 5: Solve for x
    x = 23,459,274.59/5,205.68
  6. Step 6: Final answer
    x = 4,506.48

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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.