Home / 5,306.57-7,958.78-1,607.93

Finding the Fourth Proportional to 5,306.57, 7,958.78 and 1,607.93

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Solution

The fourth proportional to 5,306.57, 7,958.78 and 1,607.93 is: 2,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.57 : 7,958.78 = 1,607.93 : x
  2. Step 2: Convert to fraction form
    5,306.57/7,958.78 = 1,607.93/x
  3. Step 3: Cross multiply
    5,306.57x = 7,958.78 × 1,607.93
  4. Step 4: Simplify right side
    5,306.57x = 12,797,161.13
  5. Step 5: Solve for x
    x = 12,797,161.13/5,306.57
  6. Step 6: Final answer
    x = 2,411.57

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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.