Home / 3,009.57-4,153.39-1,683.37

Finding the Fourth Proportional to 3,009.57, 4,153.39 and 1,683.37

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Solution

The fourth proportional to 3,009.57, 4,153.39 and 1,683.37 is: 2,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.57 : 4,153.39 = 1,683.37 : x
  2. Step 2: Convert to fraction form
    3,009.57/4,153.39 = 1,683.37/x
  3. Step 3: Cross multiply
    3,009.57x = 4,153.39 × 1,683.37
  4. Step 4: Simplify right side
    3,009.57x = 6,991,679.21
  5. Step 5: Solve for x
    x = 6,991,679.21/3,009.57
  6. Step 6: Final answer
    x = 2,323.15

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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.