Home / 6,025.79-8,318.61-3,788.90

Finding the Fourth Proportional to 6,025.79, 8,318.61 and 3,788.90

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Solution

The fourth proportional to 6,025.79, 8,318.61 and 3,788.90 is: 5,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,025.79 : 8,318.61 = 3,788.90 : x
  2. Step 2: Convert to fraction form
    6,025.79/8,318.61 = 3,788.90/x
  3. Step 3: Cross multiply
    6,025.79x = 8,318.61 × 3,788.90
  4. Step 4: Simplify right side
    6,025.79x = 31,518,381.43
  5. Step 5: Solve for x
    x = 31,518,381.43/6,025.79
  6. Step 6: Final answer
    x = 5,230.58

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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.