Home / 6,471.08-9,704.58-2,087.60

Finding the Fourth Proportional to 6,471.08, 9,704.58 and 2,087.60

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Solution

The fourth proportional to 6,471.08, 9,704.58 and 2,087.60 is: 3,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.08 : 9,704.58 = 2,087.60 : x
  2. Step 2: Convert to fraction form
    6,471.08/9,704.58 = 2,087.60/x
  3. Step 3: Cross multiply
    6,471.08x = 9,704.58 × 2,087.60
  4. Step 4: Simplify right side
    6,471.08x = 20,259,281.21
  5. Step 5: Solve for x
    x = 20,259,281.21/6,471.08
  6. Step 6: Final answer
    x = 3,130.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.