Home / 7,880.16-11,821.96-2,333.93

Finding the Fourth Proportional to 7,880.16, 11,821.96 and 2,333.93

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Solution

The fourth proportional to 7,880.16, 11,821.96 and 2,333.93 is: 3,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.16 : 11,821.96 = 2,333.93 : x
  2. Step 2: Convert to fraction form
    7,880.16/11,821.96 = 2,333.93/x
  3. Step 3: Cross multiply
    7,880.16x = 11,821.96 × 2,333.93
  4. Step 4: Simplify right side
    7,880.16x = 27,591,627.10
  5. Step 5: Solve for x
    x = 27,591,627.10/7,880.16
  6. Step 6: Final answer
    x = 3,501.40

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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.