Home / 2,005.36-2,766.93-1,165.57

Finding the Fourth Proportional to 2,005.36, 2,766.93 and 1,165.57

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Solution

The fourth proportional to 2,005.36, 2,766.93 and 1,165.57 is: 1,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.36 : 2,766.93 = 1,165.57 : x
  2. Step 2: Convert to fraction form
    2,005.36/2,766.93 = 1,165.57/x
  3. Step 3: Cross multiply
    2,005.36x = 2,766.93 × 1,165.57
  4. Step 4: Simplify right side
    2,005.36x = 3,225,050.60
  5. Step 5: Solve for x
    x = 3,225,050.60/2,005.36
  6. Step 6: Final answer
    x = 1,608.22

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1.5x scale

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.