Home / 6,457.16-9,687.63-3,338.93

Finding the Fourth Proportional to 6,457.16, 9,687.63 and 3,338.93

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Solution

The fourth proportional to 6,457.16, 9,687.63 and 3,338.93 is: 5,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.16 : 9,687.63 = 3,338.93 : x
  2. Step 2: Convert to fraction form
    6,457.16/9,687.63 = 3,338.93/x
  3. Step 3: Cross multiply
    6,457.16x = 9,687.63 × 3,338.93
  4. Step 4: Simplify right side
    6,457.16x = 32,346,318.44
  5. Step 5: Solve for x
    x = 32,346,318.44/6,457.16
  6. Step 6: Final answer
    x = 5,009.37

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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.