Home / 7,731.49-10,668.48-4,328.41

Finding the Fourth Proportional to 7,731.49, 10,668.48 and 4,328.41

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Solution

The fourth proportional to 7,731.49, 10,668.48 and 4,328.41 is: 5,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.49 : 10,668.48 = 4,328.41 : x
  2. Step 2: Convert to fraction form
    7,731.49/10,668.48 = 4,328.41/x
  3. Step 3: Cross multiply
    7,731.49x = 10,668.48 × 4,328.41
  4. Step 4: Simplify right side
    7,731.49x = 46,177,555.52
  5. Step 5: Solve for x
    x = 46,177,555.52/7,731.49
  6. Step 6: Final answer
    x = 5,972.66

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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.