Home / 2,895.86-3,996.36-1,776.16

Finding the Fourth Proportional to 2,895.86, 3,996.36 and 1,776.16

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Solution

The fourth proportional to 2,895.86, 3,996.36 and 1,776.16 is: 2,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.86 : 3,996.36 = 1,776.16 : x
  2. Step 2: Convert to fraction form
    2,895.86/3,996.36 = 1,776.16/x
  3. Step 3: Cross multiply
    2,895.86x = 3,996.36 × 1,776.16
  4. Step 4: Simplify right side
    2,895.86x = 7,098,154.80
  5. Step 5: Solve for x
    x = 7,098,154.80/2,895.86
  6. Step 6: Final answer
    x = 2,451.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.