Home / 6,465.23-8,921.73-3,951.54

Finding the Fourth Proportional to 6,465.23, 8,921.73 and 3,951.54

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Solution

The fourth proportional to 6,465.23, 8,921.73 and 3,951.54 is: 5,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.23 : 8,921.73 = 3,951.54 : x
  2. Step 2: Convert to fraction form
    6,465.23/8,921.73 = 3,951.54/x
  3. Step 3: Cross multiply
    6,465.23x = 8,921.73 × 3,951.54
  4. Step 4: Simplify right side
    6,465.23x = 35,254,572.96
  5. Step 5: Solve for x
    x = 35,254,572.96/6,465.23
  6. Step 6: Final answer
    x = 5,452.95

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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.