Home / 7,730.79-10,668.44-4,193.92

Finding the Fourth Proportional to 7,730.79, 10,668.44 and 4,193.92

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Solution

The fourth proportional to 7,730.79, 10,668.44 and 4,193.92 is: 5,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.79 : 10,668.44 = 4,193.92 : x
  2. Step 2: Convert to fraction form
    7,730.79/10,668.44 = 4,193.92/x
  3. Step 3: Cross multiply
    7,730.79x = 10,668.44 × 4,193.92
  4. Step 4: Simplify right side
    7,730.79x = 44,742,583.88
  5. Step 5: Solve for x
    x = 44,742,583.88/7,730.79
  6. Step 6: Final answer
    x = 5,787.58

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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.