Home / 7,520.06-10,378.26-4,376

Finding the Fourth Proportional to 7,520.06, 10,378.26 and 4,376

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Solution

The fourth proportional to 7,520.06, 10,378.26 and 4,376 is: 6,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.06 : 10,378.26 = 4,376 : x
  2. Step 2: Convert to fraction form
    7,520.06/10,378.26 = 4,376/x
  3. Step 3: Cross multiply
    7,520.06x = 10,378.26 × 4,376
  4. Step 4: Simplify right side
    7,520.06x = 45,415,265.76
  5. Step 5: Solve for x
    x = 45,415,265.76/7,520.06
  6. Step 6: Final answer
    x = 6,039.22

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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.