Home / 7,625.48-11,431.73-2,942.87

Finding the Fourth Proportional to 7,625.48, 11,431.73 and 2,942.87

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Solution

The fourth proportional to 7,625.48, 11,431.73 and 2,942.87 is: 4,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.48 : 11,431.73 = 2,942.87 : x
  2. Step 2: Convert to fraction form
    7,625.48/11,431.73 = 2,942.87/x
  3. Step 3: Cross multiply
    7,625.48x = 11,431.73 × 2,942.87
  4. Step 4: Simplify right side
    7,625.48x = 33,642,045.46
  5. Step 5: Solve for x
    x = 33,642,045.46/7,625.48
  6. Step 6: Final answer
    x = 4,411.80

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1.5x scale

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.