Home / 5,315.24-7,318.31-4,516.99

Finding the Fourth Proportional to 5,315.24, 7,318.31 and 4,516.99

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Solution

The fourth proportional to 5,315.24, 7,318.31 and 4,516.99 is: 6,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.24 : 7,318.31 = 4,516.99 : x
  2. Step 2: Convert to fraction form
    5,315.24/7,318.31 = 4,516.99/x
  3. Step 3: Cross multiply
    5,315.24x = 7,318.31 × 4,516.99
  4. Step 4: Simplify right side
    5,315.24x = 33,056,692.21
  5. Step 5: Solve for x
    x = 33,056,692.21/5,315.24
  6. Step 6: Final answer
    x = 6,219.23

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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.