Home / 5,330.65-7,999.43-2,408.98

Finding the Fourth Proportional to 5,330.65, 7,999.43 and 2,408.98

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Solution

The fourth proportional to 5,330.65, 7,999.43 and 2,408.98 is: 3,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.65 : 7,999.43 = 2,408.98 : x
  2. Step 2: Convert to fraction form
    5,330.65/7,999.43 = 2,408.98/x
  3. Step 3: Cross multiply
    5,330.65x = 7,999.43 × 2,408.98
  4. Step 4: Simplify right side
    5,330.65x = 19,270,452.91
  5. Step 5: Solve for x
    x = 19,270,452.91/5,330.65
  6. Step 6: Final answer
    x = 3,615.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.