Home / 5,447.34-7,516.89-3,089.70

Finding the Fourth Proportional to 5,447.34, 7,516.89 and 3,089.70

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Solution

The fourth proportional to 5,447.34, 7,516.89 and 3,089.70 is: 4,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.34 : 7,516.89 = 3,089.70 : x
  2. Step 2: Convert to fraction form
    5,447.34/7,516.89 = 3,089.70/x
  3. Step 3: Cross multiply
    5,447.34x = 7,516.89 × 3,089.70
  4. Step 4: Simplify right side
    5,447.34x = 23,224,935.03
  5. Step 5: Solve for x
    x = 23,224,935.03/5,447.34
  6. Step 6: Final answer
    x = 4,263.54

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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.