Home / 5,097.40-7,033.90-2,858.76

Finding the Fourth Proportional to 5,097.40, 7,033.90 and 2,858.76

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Solution

The fourth proportional to 5,097.40, 7,033.90 and 2,858.76 is: 3,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.40 : 7,033.90 = 2,858.76 : x
  2. Step 2: Convert to fraction form
    5,097.40/7,033.90 = 2,858.76/x
  3. Step 3: Cross multiply
    5,097.40x = 7,033.90 × 2,858.76
  4. Step 4: Simplify right side
    5,097.40x = 20,108,231.96
  5. Step 5: Solve for x
    x = 20,108,231.96/5,097.40
  6. Step 6: Final answer
    x = 3,944.80

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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.