Home / 5,052.65-7,578.50-1,931.31

Finding the Fourth Proportional to 5,052.65, 7,578.50 and 1,931.31

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Solution

The fourth proportional to 5,052.65, 7,578.50 and 1,931.31 is: 2,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.65 : 7,578.50 = 1,931.31 : x
  2. Step 2: Convert to fraction form
    5,052.65/7,578.50 = 1,931.31/x
  3. Step 3: Cross multiply
    5,052.65x = 7,578.50 × 1,931.31
  4. Step 4: Simplify right side
    5,052.65x = 14,636,423.18
  5. Step 5: Solve for x
    x = 14,636,423.18/5,052.65
  6. Step 6: Final answer
    x = 2,896.78

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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.