Home / 7,719.35-10,654.25-4,362.21

Finding the Fourth Proportional to 7,719.35, 10,654.25 and 4,362.21

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Solution

The fourth proportional to 7,719.35, 10,654.25 and 4,362.21 is: 6,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.35 : 10,654.25 = 4,362.21 : x
  2. Step 2: Convert to fraction form
    7,719.35/10,654.25 = 4,362.21/x
  3. Step 3: Cross multiply
    7,719.35x = 10,654.25 × 4,362.21
  4. Step 4: Simplify right side
    7,719.35x = 46,476,054.08
  5. Step 5: Solve for x
    x = 46,476,054.08/7,719.35
  6. Step 6: Final answer
    x = 6,020.73

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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.