Home / 4,795.20-7,187.40-2,454.30

Finding the Fourth Proportional to 4,795.20, 7,187.40 and 2,454.30

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Solution

The fourth proportional to 4,795.20, 7,187.40 and 2,454.30 is: 3,678.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.20 : 7,187.40 = 2,454.30 : x
  2. Step 2: Convert to fraction form
    4,795.20/7,187.40 = 2,454.30/x
  3. Step 3: Cross multiply
    4,795.20x = 7,187.40 × 2,454.30
  4. Step 4: Simplify right side
    4,795.20x = 17,640,035.82
  5. Step 5: Solve for x
    x = 17,640,035.82/4,795.20
  6. Step 6: Final answer
    x = 3,678.69

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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.