Home / 5,516.42-7,613.91-4,319.06

Finding the Fourth Proportional to 5,516.42, 7,613.91 and 4,319.06

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Solution

The fourth proportional to 5,516.42, 7,613.91 and 4,319.06 is: 5,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.42 : 7,613.91 = 4,319.06 : x
  2. Step 2: Convert to fraction form
    5,516.42/7,613.91 = 4,319.06/x
  3. Step 3: Cross multiply
    5,516.42x = 7,613.91 × 4,319.06
  4. Step 4: Simplify right side
    5,516.42x = 32,884,934.12
  5. Step 5: Solve for x
    x = 32,884,934.12/5,516.42
  6. Step 6: Final answer
    x = 5,961.28

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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.