Home / 5,009.20-6,912.10-3,094.72

Finding the Fourth Proportional to 5,009.20, 6,912.10 and 3,094.72

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Solution

The fourth proportional to 5,009.20, 6,912.10 and 3,094.72 is: 4,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.20 : 6,912.10 = 3,094.72 : x
  2. Step 2: Convert to fraction form
    5,009.20/6,912.10 = 3,094.72/x
  3. Step 3: Cross multiply
    5,009.20x = 6,912.10 × 3,094.72
  4. Step 4: Simplify right side
    5,009.20x = 21,391,014.11
  5. Step 5: Solve for x
    x = 21,391,014.11/5,009.20
  6. Step 6: Final answer
    x = 4,270.35

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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.