Home / 5,222.16-7,830.48-2,299.08

Finding the Fourth Proportional to 5,222.16, 7,830.48 and 2,299.08

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Solution

The fourth proportional to 5,222.16, 7,830.48 and 2,299.08 is: 3,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.16 : 7,830.48 = 2,299.08 : x
  2. Step 2: Convert to fraction form
    5,222.16/7,830.48 = 2,299.08/x
  3. Step 3: Cross multiply
    5,222.16x = 7,830.48 × 2,299.08
  4. Step 4: Simplify right side
    5,222.16x = 18,002,899.96
  5. Step 5: Solve for x
    x = 18,002,899.96/5,222.16
  6. Step 6: Final answer
    x = 3,447.40

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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.