Home / 5,913.18-8,157.62-3,394.71

Finding the Fourth Proportional to 5,913.18, 8,157.62 and 3,394.71

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Solution

The fourth proportional to 5,913.18, 8,157.62 and 3,394.71 is: 4,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.18 : 8,157.62 = 3,394.71 : x
  2. Step 2: Convert to fraction form
    5,913.18/8,157.62 = 3,394.71/x
  3. Step 3: Cross multiply
    5,913.18x = 8,157.62 × 3,394.71
  4. Step 4: Simplify right side
    5,913.18x = 27,692,767.45
  5. Step 5: Solve for x
    x = 27,692,767.45/5,913.18
  6. Step 6: Final answer
    x = 4,683.23

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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.