Home / 7,731.75-10,669.82-4,374.50

Finding the Fourth Proportional to 7,731.75, 10,669.82 and 4,374.50

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Solution

The fourth proportional to 7,731.75, 10,669.82 and 4,374.50 is: 6,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.75 : 10,669.82 = 4,374.50 : x
  2. Step 2: Convert to fraction form
    7,731.75/10,669.82 = 4,374.50/x
  3. Step 3: Cross multiply
    7,731.75x = 10,669.82 × 4,374.50
  4. Step 4: Simplify right side
    7,731.75x = 46,675,052.37
  5. Step 5: Solve for x
    x = 46,675,052.37/7,731.75
  6. Step 6: Final answer
    x = 6,036.80

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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.