Home / 7,731.62-10,668.91-4,374.67

Finding the Fourth Proportional to 7,731.62, 10,668.91 and 4,374.67

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Solution

The fourth proportional to 7,731.62, 10,668.91 and 4,374.67 is: 6,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.62 : 10,668.91 = 4,374.67 : x
  2. Step 2: Convert to fraction form
    7,731.62/10,668.91 = 4,374.67/x
  3. Step 3: Cross multiply
    7,731.62x = 10,668.91 × 4,374.67
  4. Step 4: Simplify right side
    7,731.62x = 46,672,960.51
  5. Step 5: Solve for x
    x = 46,672,960.51/7,731.62
  6. Step 6: Final answer
    x = 6,036.63

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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.