Home / 5,516.13-7,612.07-3,156.60

Finding the Fourth Proportional to 5,516.13, 7,612.07 and 3,156.60

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Solution

The fourth proportional to 5,516.13, 7,612.07 and 3,156.60 is: 4,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.13 : 7,612.07 = 3,156.60 : x
  2. Step 2: Convert to fraction form
    5,516.13/7,612.07 = 3,156.60/x
  3. Step 3: Cross multiply
    5,516.13x = 7,612.07 × 3,156.60
  4. Step 4: Simplify right side
    5,516.13x = 24,028,244.38
  5. Step 5: Solve for x
    x = 24,028,244.38/5,516.13
  6. Step 6: Final answer
    x = 4,356.00

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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.