Home / 7,727.96-10,664.60-4,191.18

Finding the Fourth Proportional to 7,727.96, 10,664.60 and 4,191.18

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Solution

The fourth proportional to 7,727.96, 10,664.60 and 4,191.18 is: 5,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.96 : 10,664.60 = 4,191.18 : x
  2. Step 2: Convert to fraction form
    7,727.96/10,664.60 = 4,191.18/x
  3. Step 3: Cross multiply
    7,727.96x = 10,664.60 × 4,191.18
  4. Step 4: Simplify right side
    7,727.96x = 44,697,258.23
  5. Step 5: Solve for x
    x = 44,697,258.23/7,727.96
  6. Step 6: Final answer
    x = 5,783.84

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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.