Home / 5,880.40-8,114.92-3,191.56

Finding the Fourth Proportional to 5,880.40, 8,114.92 and 3,191.56

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Solution

The fourth proportional to 5,880.40, 8,114.92 and 3,191.56 is: 4,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.40 : 8,114.92 = 3,191.56 : x
  2. Step 2: Convert to fraction form
    5,880.40/8,114.92 = 3,191.56/x
  3. Step 3: Cross multiply
    5,880.40x = 8,114.92 × 3,191.56
  4. Step 4: Simplify right side
    5,880.40x = 25,899,225.81
  5. Step 5: Solve for x
    x = 25,899,225.81/5,880.40
  6. Step 6: Final answer
    x = 4,404.33

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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.