Home / 5,913.45-8,867.75-4,739.76

Finding the Fourth Proportional to 5,913.45, 8,867.75 and 4,739.76

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Solution

The fourth proportional to 5,913.45, 8,867.75 and 4,739.76 is: 7,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.45 : 8,867.75 = 4,739.76 : x
  2. Step 2: Convert to fraction form
    5,913.45/8,867.75 = 4,739.76/x
  3. Step 3: Cross multiply
    5,913.45x = 8,867.75 × 4,739.76
  4. Step 4: Simplify right side
    5,913.45x = 42,030,983.04
  5. Step 5: Solve for x
    x = 42,030,983.04/5,913.45
  6. Step 6: Final answer
    x = 7,107.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.