Home / 7,790.92-10,744.84-5,272.36

Finding the Fourth Proportional to 7,790.92, 10,744.84 and 5,272.36

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Solution

The fourth proportional to 7,790.92, 10,744.84 and 5,272.36 is: 7,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.92 : 10,744.84 = 5,272.36 : x
  2. Step 2: Convert to fraction form
    7,790.92/10,744.84 = 5,272.36/x
  3. Step 3: Cross multiply
    7,790.92x = 10,744.84 × 5,272.36
  4. Step 4: Simplify right side
    7,790.92x = 56,650,664.62
  5. Step 5: Solve for x
    x = 56,650,664.62/7,790.92
  6. Step 6: Final answer
    x = 7,271.37

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1.5x scale

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.