Home / 4,699.92-7,045.56-2,388.72

Finding the Fourth Proportional to 4,699.92, 7,045.56 and 2,388.72

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Solution

The fourth proportional to 4,699.92, 7,045.56 and 2,388.72 is: 3,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.92 : 7,045.56 = 2,388.72 : x
  2. Step 2: Convert to fraction form
    4,699.92/7,045.56 = 2,388.72/x
  3. Step 3: Cross multiply
    4,699.92x = 7,045.56 × 2,388.72
  4. Step 4: Simplify right side
    4,699.92x = 16,829,870.08
  5. Step 5: Solve for x
    x = 16,829,870.08/4,699.92
  6. Step 6: Final answer
    x = 3,580.88

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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.