Home / 3,587.44-4,950.75-2,015.56

Finding the Fourth Proportional to 3,587.44, 4,950.75 and 2,015.56

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Solution

The fourth proportional to 3,587.44, 4,950.75 and 2,015.56 is: 2,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.44 : 4,950.75 = 2,015.56 : x
  2. Step 2: Convert to fraction form
    3,587.44/4,950.75 = 2,015.56/x
  3. Step 3: Cross multiply
    3,587.44x = 4,950.75 × 2,015.56
  4. Step 4: Simplify right side
    3,587.44x = 9,978,533.67
  5. Step 5: Solve for x
    x = 9,978,533.67/3,587.44
  6. Step 6: Final answer
    x = 2,781.52

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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.