Home / 5,550.16-7,661.64-3,683.92

Finding the Fourth Proportional to 5,550.16, 7,661.64 and 3,683.92

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Solution

The fourth proportional to 5,550.16, 7,661.64 and 3,683.92 is: 5,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.16 : 7,661.64 = 3,683.92 : x
  2. Step 2: Convert to fraction form
    5,550.16/7,661.64 = 3,683.92/x
  3. Step 3: Cross multiply
    5,550.16x = 7,661.64 × 3,683.92
  4. Step 4: Simplify right side
    5,550.16x = 28,224,868.83
  5. Step 5: Solve for x
    x = 28,224,868.83/5,550.16
  6. Step 6: Final answer
    x = 5,085.42

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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.