Home / 5,235.16-7,849.98-2,312.08

Finding the Fourth Proportional to 5,235.16, 7,849.98 and 2,312.08

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Solution

The fourth proportional to 5,235.16, 7,849.98 and 2,312.08 is: 3,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.16 : 7,849.98 = 2,312.08 : x
  2. Step 2: Convert to fraction form
    5,235.16/7,849.98 = 2,312.08/x
  3. Step 3: Cross multiply
    5,235.16x = 7,849.98 × 2,312.08
  4. Step 4: Simplify right side
    5,235.16x = 18,149,781.76
  5. Step 5: Solve for x
    x = 18,149,781.76/5,235.16
  6. Step 6: Final answer
    x = 3,466.90

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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.