Home / 7,920.25-10,927.13-4,731.33

Finding the Fourth Proportional to 7,920.25, 10,927.13 and 4,731.33

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Solution

The fourth proportional to 7,920.25, 10,927.13 and 4,731.33 is: 6,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.25 : 10,927.13 = 4,731.33 : x
  2. Step 2: Convert to fraction form
    7,920.25/10,927.13 = 4,731.33/x
  3. Step 3: Cross multiply
    7,920.25x = 10,927.13 × 4,731.33
  4. Step 4: Simplify right side
    7,920.25x = 51,699,857.98
  5. Step 5: Solve for x
    x = 51,699,857.98/7,920.25
  6. Step 6: Final answer
    x = 6,527.55

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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.