Home / 3,759.37-5,641.95-2,117.36

Finding the Fourth Proportional to 3,759.37, 5,641.95 and 2,117.36

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Solution

The fourth proportional to 3,759.37, 5,641.95 and 2,117.36 is: 3,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.37 : 5,641.95 = 2,117.36 : x
  2. Step 2: Convert to fraction form
    3,759.37/5,641.95 = 2,117.36/x
  3. Step 3: Cross multiply
    3,759.37x = 5,641.95 × 2,117.36
  4. Step 4: Simplify right side
    3,759.37x = 11,946,039.25
  5. Step 5: Solve for x
    x = 11,946,039.25/3,759.37
  6. Step 6: Final answer
    x = 3,177.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.