Home / 3,507.44-4,840.56-2,015.64

Finding the Fourth Proportional to 3,507.44, 4,840.56 and 2,015.64

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Solution

The fourth proportional to 3,507.44, 4,840.56 and 2,015.64 is: 2,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.44 : 4,840.56 = 2,015.64 : x
  2. Step 2: Convert to fraction form
    3,507.44/4,840.56 = 2,015.64/x
  3. Step 3: Cross multiply
    3,507.44x = 4,840.56 × 2,015.64
  4. Step 4: Simplify right side
    3,507.44x = 9,756,826.36
  5. Step 5: Solve for x
    x = 9,756,826.36/3,507.44
  6. Step 6: Final answer
    x = 2,781.76

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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.