Home / 7,880.58-11,824.92-4,768.02

Finding the Fourth Proportional to 7,880.58, 11,824.92 and 4,768.02

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Solution

The fourth proportional to 7,880.58, 11,824.92 and 4,768.02 is: 7,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.58 : 11,824.92 = 4,768.02 : x
  2. Step 2: Convert to fraction form
    7,880.58/11,824.92 = 4,768.02/x
  3. Step 3: Cross multiply
    7,880.58x = 11,824.92 × 4,768.02
  4. Step 4: Simplify right side
    7,880.58x = 56,381,455.06
  5. Step 5: Solve for x
    x = 56,381,455.06/7,880.58
  6. Step 6: Final answer
    x = 7,154.48

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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.