Home / 7,215.49-10,816.74-2,597.41

Finding the Fourth Proportional to 7,215.49, 10,816.74 and 2,597.41

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Solution

The fourth proportional to 7,215.49, 10,816.74 and 2,597.41 is: 3,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.49 : 10,816.74 = 2,597.41 : x
  2. Step 2: Convert to fraction form
    7,215.49/10,816.74 = 2,597.41/x
  3. Step 3: Cross multiply
    7,215.49x = 10,816.74 × 2,597.41
  4. Step 4: Simplify right side
    7,215.49x = 28,095,508.64
  5. Step 5: Solve for x
    x = 28,095,508.64/7,215.49
  6. Step 6: Final answer
    x = 3,893.78

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1.5x scale

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.