Home / 4,378.24-6,557.76-2,834.56

Finding the Fourth Proportional to 4,378.24, 6,557.76 and 2,834.56

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Solution

The fourth proportional to 4,378.24, 6,557.76 and 2,834.56 is: 4,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.24 : 6,557.76 = 2,834.56 : x
  2. Step 2: Convert to fraction form
    4,378.24/6,557.76 = 2,834.56/x
  3. Step 3: Cross multiply
    4,378.24x = 6,557.76 × 2,834.56
  4. Step 4: Simplify right side
    4,378.24x = 18,588,364.19
  5. Step 5: Solve for x
    x = 18,588,364.19/4,378.24
  6. Step 6: Final answer
    x = 4,245.62

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1.5x scale

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.