Home / 3,009.39-4,153.05-1,683.33

Finding the Fourth Proportional to 3,009.39, 4,153.05 and 1,683.33

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Solution

The fourth proportional to 3,009.39, 4,153.05 and 1,683.33 is: 2,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.39 : 4,153.05 = 1,683.33 : x
  2. Step 2: Convert to fraction form
    3,009.39/4,153.05 = 1,683.33/x
  3. Step 3: Cross multiply
    3,009.39x = 4,153.05 × 1,683.33
  4. Step 4: Simplify right side
    3,009.39x = 6,990,953.66
  5. Step 5: Solve for x
    x = 6,990,953.66/3,009.39
  6. Step 6: Final answer
    x = 2,323.05

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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.