Home / 5,746.95-7,930.71-3,388.23

Finding the Fourth Proportional to 5,746.95, 7,930.71 and 3,388.23

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Solution

The fourth proportional to 5,746.95, 7,930.71 and 3,388.23 is: 4,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.95 : 7,930.71 = 3,388.23 : x
  2. Step 2: Convert to fraction form
    5,746.95/7,930.71 = 3,388.23/x
  3. Step 3: Cross multiply
    5,746.95x = 7,930.71 × 3,388.23
  4. Step 4: Simplify right side
    5,746.95x = 26,871,069.54
  5. Step 5: Solve for x
    x = 26,871,069.54/5,746.95
  6. Step 6: Final answer
    x = 4,675.71

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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.