Home / 3,507.12-4,840.25-2,015.03

Finding the Fourth Proportional to 3,507.12, 4,840.25 and 2,015.03

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Solution

The fourth proportional to 3,507.12, 4,840.25 and 2,015.03 is: 2,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.12 : 4,840.25 = 2,015.03 : x
  2. Step 2: Convert to fraction form
    3,507.12/4,840.25 = 2,015.03/x
  3. Step 3: Cross multiply
    3,507.12x = 4,840.25 × 2,015.03
  4. Step 4: Simplify right side
    3,507.12x = 9,753,214.68
  5. Step 5: Solve for x
    x = 9,753,214.68/3,507.12
  6. Step 6: Final answer
    x = 2,780.98

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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.