Home / 2,010.24-3,015.36-778.04

Finding the Fourth Proportional to 2,010.24, 3,015.36 and 778.04

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Solution

The fourth proportional to 2,010.24, 3,015.36 and 778.04 is: 1,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.24 : 3,015.36 = 778.04 : x
  2. Step 2: Convert to fraction form
    2,010.24/3,015.36 = 778.04/x
  3. Step 3: Cross multiply
    2,010.24x = 3,015.36 × 778.04
  4. Step 4: Simplify right side
    2,010.24x = 2,346,070.69
  5. Step 5: Solve for x
    x = 2,346,070.69/2,010.24
  6. Step 6: Final answer
    x = 1,167.06

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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.