Home / 5,913.35-8,160.47-3,395.42

Finding the Fourth Proportional to 5,913.35, 8,160.47 and 3,395.42

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Solution

The fourth proportional to 5,913.35, 8,160.47 and 3,395.42 is: 4,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.35 : 8,160.47 = 3,395.42 : x
  2. Step 2: Convert to fraction form
    5,913.35/8,160.47 = 3,395.42/x
  3. Step 3: Cross multiply
    5,913.35x = 8,160.47 × 3,395.42
  4. Step 4: Simplify right side
    5,913.35x = 27,708,218.15
  5. Step 5: Solve for x
    x = 27,708,218.15/5,913.35
  6. Step 6: Final answer
    x = 4,685.71

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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.