Home / 5,516.16-7,612.44-3,159.06

Finding the Fourth Proportional to 5,516.16, 7,612.44 and 3,159.06

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Solution

The fourth proportional to 5,516.16, 7,612.44 and 3,159.06 is: 4,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.16 : 7,612.44 = 3,159.06 : x
  2. Step 2: Convert to fraction form
    5,516.16/7,612.44 = 3,159.06/x
  3. Step 3: Cross multiply
    5,516.16x = 7,612.44 × 3,159.06
  4. Step 4: Simplify right side
    5,516.16x = 24,048,154.71
  5. Step 5: Solve for x
    x = 24,048,154.71/5,516.16
  6. Step 6: Final answer
    x = 4,359.58

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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.