Home / 2,518.03-3,777.32-1,057.87

Finding the Fourth Proportional to 2,518.03, 3,777.32 and 1,057.87

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Solution

The fourth proportional to 2,518.03, 3,777.32 and 1,057.87 is: 1,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.03 : 3,777.32 = 1,057.87 : x
  2. Step 2: Convert to fraction form
    2,518.03/3,777.32 = 1,057.87/x
  3. Step 3: Cross multiply
    2,518.03x = 3,777.32 × 1,057.87
  4. Step 4: Simplify right side
    2,518.03x = 3,995,913.51
  5. Step 5: Solve for x
    x = 3,995,913.51/2,518.03
  6. Step 6: Final answer
    x = 1,586.92

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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.