Home / 5,193.40-7,790.28-2,074.88

Finding the Fourth Proportional to 5,193.40, 7,790.28 and 2,074.88

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Solution

The fourth proportional to 5,193.40, 7,790.28 and 2,074.88 is: 3,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.40 : 7,790.28 = 2,074.88 : x
  2. Step 2: Convert to fraction form
    5,193.40/7,790.28 = 2,074.88/x
  3. Step 3: Cross multiply
    5,193.40x = 7,790.28 × 2,074.88
  4. Step 4: Simplify right side
    5,193.40x = 16,163,896.17
  5. Step 5: Solve for x
    x = 16,163,896.17/5,193.40
  6. Step 6: Final answer
    x = 3,112.39

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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.