Home / 5,785.89-7,984.68-3,548.97

Finding the Fourth Proportional to 5,785.89, 7,984.68 and 3,548.97

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Solution

The fourth proportional to 5,785.89, 7,984.68 and 3,548.97 is: 4,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.89 : 7,984.68 = 3,548.97 : x
  2. Step 2: Convert to fraction form
    5,785.89/7,984.68 = 3,548.97/x
  3. Step 3: Cross multiply
    5,785.89x = 7,984.68 × 3,548.97
  4. Step 4: Simplify right side
    5,785.89x = 28,337,389.78
  5. Step 5: Solve for x
    x = 28,337,389.78/5,785.89
  6. Step 6: Final answer
    x = 4,897.67

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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.