Home / 3,009.97-4,153.77-1,683.76

Finding the Fourth Proportional to 3,009.97, 4,153.77 and 1,683.76

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Solution

The fourth proportional to 3,009.97, 4,153.77 and 1,683.76 is: 2,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.97 : 4,153.77 = 1,683.76 : x
  2. Step 2: Convert to fraction form
    3,009.97/4,153.77 = 1,683.76/x
  3. Step 3: Cross multiply
    3,009.97x = 4,153.77 × 1,683.76
  4. Step 4: Simplify right side
    3,009.97x = 6,993,951.78
  5. Step 5: Solve for x
    x = 6,993,951.78/3,009.97
  6. Step 6: Final answer
    x = 2,323.60

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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.