Home / 5,632.99-7,773.41-3,115.21

Finding the Fourth Proportional to 5,632.99, 7,773.41 and 3,115.21

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Solution

The fourth proportional to 5,632.99, 7,773.41 and 3,115.21 is: 4,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.99 : 7,773.41 = 3,115.21 : x
  2. Step 2: Convert to fraction form
    5,632.99/7,773.41 = 3,115.21/x
  3. Step 3: Cross multiply
    5,632.99x = 7,773.41 × 3,115.21
  4. Step 4: Simplify right side
    5,632.99x = 24,215,804.57
  5. Step 5: Solve for x
    x = 24,215,804.57/5,632.99
  6. Step 6: Final answer
    x = 4,298.93

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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.