Home / 3,009.52-4,153.36-1,683.65

Finding the Fourth Proportional to 3,009.52, 4,153.36 and 1,683.65

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Solution

The fourth proportional to 3,009.52, 4,153.36 and 1,683.65 is: 2,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.52 : 4,153.36 = 1,683.65 : x
  2. Step 2: Convert to fraction form
    3,009.52/4,153.36 = 1,683.65/x
  3. Step 3: Cross multiply
    3,009.52x = 4,153.36 × 1,683.65
  4. Step 4: Simplify right side
    3,009.52x = 6,992,821.68
  5. Step 5: Solve for x
    x = 6,992,821.68/3,009.52
  6. Step 6: Final answer
    x = 2,323.56

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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.