Home / 7,427.97-10,251.59-4,783.07

Finding the Fourth Proportional to 7,427.97, 10,251.59 and 4,783.07

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Solution

The fourth proportional to 7,427.97, 10,251.59 and 4,783.07 is: 6,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.97 : 10,251.59 = 4,783.07 : x
  2. Step 2: Convert to fraction form
    7,427.97/10,251.59 = 4,783.07/x
  3. Step 3: Cross multiply
    7,427.97x = 10,251.59 × 4,783.07
  4. Step 4: Simplify right side
    7,427.97x = 49,034,074.29
  5. Step 5: Solve for x
    x = 49,034,074.29/7,427.97
  6. Step 6: Final answer
    x = 6,601.28

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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.