Home / 7,239.98-10,860.08-2,045.86

Finding the Fourth Proportional to 7,239.98, 10,860.08 and 2,045.86

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Solution

The fourth proportional to 7,239.98, 10,860.08 and 2,045.86 is: 3,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.98 : 10,860.08 = 2,045.86 : x
  2. Step 2: Convert to fraction form
    7,239.98/10,860.08 = 2,045.86/x
  3. Step 3: Cross multiply
    7,239.98x = 10,860.08 × 2,045.86
  4. Step 4: Simplify right side
    7,239.98x = 22,218,165.89
  5. Step 5: Solve for x
    x = 22,218,165.89/7,239.98
  6. Step 6: Final answer
    x = 3,068.81

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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.