Home / 5,633.21-7,773.40-3,115.07

Finding the Fourth Proportional to 5,633.21, 7,773.40 and 3,115.07

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Solution

The fourth proportional to 5,633.21, 7,773.40 and 3,115.07 is: 4,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.21 : 7,773.40 = 3,115.07 : x
  2. Step 2: Convert to fraction form
    5,633.21/7,773.40 = 3,115.07/x
  3. Step 3: Cross multiply
    5,633.21x = 7,773.40 × 3,115.07
  4. Step 4: Simplify right side
    5,633.21x = 24,214,679.32
  5. Step 5: Solve for x
    x = 24,214,679.32/5,633.21
  6. Step 6: Final answer
    x = 4,298.56

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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.