Home / 5,974.39-8,242.45-3,615.67

Finding the Fourth Proportional to 5,974.39, 8,242.45 and 3,615.67

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Solution

The fourth proportional to 5,974.39, 8,242.45 and 3,615.67 is: 4,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.39 : 8,242.45 = 3,615.67 : x
  2. Step 2: Convert to fraction form
    5,974.39/8,242.45 = 3,615.67/x
  3. Step 3: Cross multiply
    5,974.39x = 8,242.45 × 3,615.67
  4. Step 4: Simplify right side
    5,974.39x = 29,801,979.19
  5. Step 5: Solve for x
    x = 29,801,979.19/5,974.39
  6. Step 6: Final answer
    x = 4,988.29

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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.