Home / 5,516.64-8,230.50-5,314.95

Finding the Fourth Proportional to 5,516.64, 8,230.50 and 5,314.95

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Solution

The fourth proportional to 5,516.64, 8,230.50 and 5,314.95 is: 7,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.64 : 8,230.50 = 5,314.95 : x
  2. Step 2: Convert to fraction form
    5,516.64/8,230.50 = 5,314.95/x
  3. Step 3: Cross multiply
    5,516.64x = 8,230.50 × 5,314.95
  4. Step 4: Simplify right side
    5,516.64x = 43,744,695.98
  5. Step 5: Solve for x
    x = 43,744,695.98/5,516.64
  6. Step 6: Final answer
    x = 7,929.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.