Home / 5,009.20-6,913.30-2,913.32

Finding the Fourth Proportional to 5,009.20, 6,913.30 and 2,913.32

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Solution

The fourth proportional to 5,009.20, 6,913.30 and 2,913.32 is: 4,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.20 : 6,913.30 = 2,913.32 : x
  2. Step 2: Convert to fraction form
    5,009.20/6,913.30 = 2,913.32/x
  3. Step 3: Cross multiply
    5,009.20x = 6,913.30 × 2,913.32
  4. Step 4: Simplify right side
    5,009.20x = 20,140,655.16
  5. Step 5: Solve for x
    x = 20,140,655.16/5,009.20
  6. Step 6: Final answer
    x = 4,020.73

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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.