Home / 6,457.14-9,687.93-2,074.74

Finding the Fourth Proportional to 6,457.14, 9,687.93 and 2,074.74

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Solution

The fourth proportional to 6,457.14, 9,687.93 and 2,074.74 is: 3,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.14 : 9,687.93 = 2,074.74 : x
  2. Step 2: Convert to fraction form
    6,457.14/9,687.93 = 2,074.74/x
  3. Step 3: Cross multiply
    6,457.14x = 9,687.93 × 2,074.74
  4. Step 4: Simplify right side
    6,457.14x = 20,099,935.89
  5. Step 5: Solve for x
    x = 20,099,935.89/6,457.14
  6. Step 6: Final answer
    x = 3,112.82

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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.