Home / 2,736.65-4,107.14-1,005.77

Finding the Fourth Proportional to 2,736.65, 4,107.14 and 1,005.77

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Solution

The fourth proportional to 2,736.65, 4,107.14 and 1,005.77 is: 1,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.65 : 4,107.14 = 1,005.77 : x
  2. Step 2: Convert to fraction form
    2,736.65/4,107.14 = 1,005.77/x
  3. Step 3: Cross multiply
    2,736.65x = 4,107.14 × 1,005.77
  4. Step 4: Simplify right side
    2,736.65x = 4,130,838.20
  5. Step 5: Solve for x
    x = 4,130,838.20/2,736.65
  6. Step 6: Final answer
    x = 1,509.45

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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.