Home / 7,730.98-10,668.78-4,194.22

Finding the Fourth Proportional to 7,730.98, 10,668.78 and 4,194.22

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Solution

The fourth proportional to 7,730.98, 10,668.78 and 4,194.22 is: 5,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.98 : 10,668.78 = 4,194.22 : x
  2. Step 2: Convert to fraction form
    7,730.98/10,668.78 = 4,194.22/x
  3. Step 3: Cross multiply
    7,730.98x = 10,668.78 × 4,194.22
  4. Step 4: Simplify right side
    7,730.98x = 44,747,210.45
  5. Step 5: Solve for x
    x = 44,747,210.45/7,730.98
  6. Step 6: Final answer
    x = 5,788.04

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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.