Home / 7,719.45-10,652.77-4,362.20

Finding the Fourth Proportional to 7,719.45, 10,652.77 and 4,362.20

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Solution

The fourth proportional to 7,719.45, 10,652.77 and 4,362.20 is: 6,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.45 : 10,652.77 = 4,362.20 : x
  2. Step 2: Convert to fraction form
    7,719.45/10,652.77 = 4,362.20/x
  3. Step 3: Cross multiply
    7,719.45x = 10,652.77 × 4,362.20
  4. Step 4: Simplify right side
    7,719.45x = 46,469,513.29
  5. Step 5: Solve for x
    x = 46,469,513.29/7,719.45
  6. Step 6: Final answer
    x = 6,019.80

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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.