Home / 7,845.45-10,829.81-4,701.03

Finding the Fourth Proportional to 7,845.45, 10,829.81 and 4,701.03

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Solution

The fourth proportional to 7,845.45, 10,829.81 and 4,701.03 is: 6,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.45 : 10,829.81 = 4,701.03 : x
  2. Step 2: Convert to fraction form
    7,845.45/10,829.81 = 4,701.03/x
  3. Step 3: Cross multiply
    7,845.45x = 10,829.81 × 4,701.03
  4. Step 4: Simplify right side
    7,845.45x = 50,911,238.20
  5. Step 5: Solve for x
    x = 50,911,238.20/7,845.45
  6. Step 6: Final answer
    x = 6,489.27

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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.