Home / 4,909.68-7,365.60-2,312.64

Finding the Fourth Proportional to 4,909.68, 7,365.60 and 2,312.64

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Solution

The fourth proportional to 4,909.68, 7,365.60 and 2,312.64 is: 3,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.68 : 7,365.60 = 2,312.64 : x
  2. Step 2: Convert to fraction form
    4,909.68/7,365.60 = 2,312.64/x
  3. Step 3: Cross multiply
    4,909.68x = 7,365.60 × 2,312.64
  4. Step 4: Simplify right side
    4,909.68x = 17,033,981.18
  5. Step 5: Solve for x
    x = 17,033,981.18/4,909.68
  6. Step 6: Final answer
    x = 3,469.47

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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.