Home / 7,731.65-10,668.77-4,328.84

Finding the Fourth Proportional to 7,731.65, 10,668.77 and 4,328.84

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Solution

The fourth proportional to 7,731.65, 10,668.77 and 4,328.84 is: 5,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.65 : 10,668.77 = 4,328.84 : x
  2. Step 2: Convert to fraction form
    7,731.65/10,668.77 = 4,328.84/x
  3. Step 3: Cross multiply
    7,731.65x = 10,668.77 × 4,328.84
  4. Step 4: Simplify right side
    7,731.65x = 46,183,419.59
  5. Step 5: Solve for x
    x = 46,183,419.59/7,731.65
  6. Step 6: Final answer
    x = 5,973.29

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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.