Home / 2,400.86-3,592.31-1,709.12

Finding the Fourth Proportional to 2,400.86, 3,592.31 and 1,709.12

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Solution

The fourth proportional to 2,400.86, 3,592.31 and 1,709.12 is: 2,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.86 : 3,592.31 = 1,709.12 : x
  2. Step 2: Convert to fraction form
    2,400.86/3,592.31 = 1,709.12/x
  3. Step 3: Cross multiply
    2,400.86x = 3,592.31 × 1,709.12
  4. Step 4: Simplify right side
    2,400.86x = 6,139,662.36
  5. Step 5: Solve for x
    x = 6,139,662.36/2,400.86
  6. Step 6: Final answer
    x = 2,557.28

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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.