Home / 5,003.56-6,905.64-2,908.84

Finding the Fourth Proportional to 5,003.56, 6,905.64 and 2,908.84

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Solution

The fourth proportional to 5,003.56, 6,905.64 and 2,908.84 is: 4,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.56 : 6,905.64 = 2,908.84 : x
  2. Step 2: Convert to fraction form
    5,003.56/6,905.64 = 2,908.84/x
  3. Step 3: Cross multiply
    5,003.56x = 6,905.64 × 2,908.84
  4. Step 4: Simplify right side
    5,003.56x = 20,087,401.86
  5. Step 5: Solve for x
    x = 20,087,401.86/5,003.56
  6. Step 6: Final answer
    x = 4,014.62

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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.