Home / 5,913.45-8,160.62-3,260.79

Finding the Fourth Proportional to 5,913.45, 8,160.62 and 3,260.79

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Solution

The fourth proportional to 5,913.45, 8,160.62 and 3,260.79 is: 4,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.45 : 8,160.62 = 3,260.79 : x
  2. Step 2: Convert to fraction form
    5,913.45/8,160.62 = 3,260.79/x
  3. Step 3: Cross multiply
    5,913.45x = 8,160.62 × 3,260.79
  4. Step 4: Simplify right side
    5,913.45x = 26,610,051.79
  5. Step 5: Solve for x
    x = 26,610,051.79/5,913.45
  6. Step 6: Final answer
    x = 4,499.92

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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.