Home / 5,913.47-8,160.75-3,260.72

Finding the Fourth Proportional to 5,913.47, 8,160.75 and 3,260.72

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Solution

The fourth proportional to 5,913.47, 8,160.75 and 3,260.72 is: 4,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.47 : 8,160.75 = 3,260.72 : x
  2. Step 2: Convert to fraction form
    5,913.47/8,160.75 = 3,260.72/x
  3. Step 3: Cross multiply
    5,913.47x = 8,160.75 × 3,260.72
  4. Step 4: Simplify right side
    5,913.47x = 26,609,941.14
  5. Step 5: Solve for x
    x = 26,609,941.14/5,913.47
  6. Step 6: Final answer
    x = 4,499.88

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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.