Home / 7,263.20-10,870.20-4,491.79

Finding the Fourth Proportional to 7,263.20, 10,870.20 and 4,491.79

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Solution

The fourth proportional to 7,263.20, 10,870.20 and 4,491.79 is: 6,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,263.20 : 10,870.20 = 4,491.79 : x
  2. Step 2: Convert to fraction form
    7,263.20/10,870.20 = 4,491.79/x
  3. Step 3: Cross multiply
    7,263.20x = 10,870.20 × 4,491.79
  4. Step 4: Simplify right side
    7,263.20x = 48,826,628.48
  5. Step 5: Solve for x
    x = 48,826,628.48/7,263.20
  6. Step 6: Final answer
    x = 6,722.47

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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.