Home / 7,731.04-10,668.78-4,194.17

Finding the Fourth Proportional to 7,731.04, 10,668.78 and 4,194.17

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Solution

The fourth proportional to 7,731.04, 10,668.78 and 4,194.17 is: 5,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.04 : 10,668.78 = 4,194.17 : x
  2. Step 2: Convert to fraction form
    7,731.04/10,668.78 = 4,194.17/x
  3. Step 3: Cross multiply
    7,731.04x = 10,668.78 × 4,194.17
  4. Step 4: Simplify right side
    7,731.04x = 44,746,677.01
  5. Step 5: Solve for x
    x = 44,746,677.01/7,731.04
  6. Step 6: Final answer
    x = 5,787.93

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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.