Home / 10,371.58-15,555.12-2,975.92

Finding the Fourth Proportional to 10,371.58, 15,555.12 and 2,975.92

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Solution

The fourth proportional to 10,371.58, 15,555.12 and 2,975.92 is: 4,463.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.58 : 15,555.12 = 2,975.92 : x
  2. Step 2: Convert to fraction form
    10,371.58/15,555.12 = 2,975.92/x
  3. Step 3: Cross multiply
    10,371.58x = 15,555.12 × 2,975.92
  4. Step 4: Simplify right side
    10,371.58x = 46,290,792.71
  5. Step 5: Solve for x
    x = 46,290,792.71/10,371.58
  6. Step 6: Final answer
    x = 4,463.23

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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.