Home / 4,668.50-6,442.61-3,015.38

Finding the Fourth Proportional to 4,668.50, 6,442.61 and 3,015.38

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Solution

The fourth proportional to 4,668.50, 6,442.61 and 3,015.38 is: 4,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.50 : 6,442.61 = 3,015.38 : x
  2. Step 2: Convert to fraction form
    4,668.50/6,442.61 = 3,015.38/x
  3. Step 3: Cross multiply
    4,668.50x = 6,442.61 × 3,015.38
  4. Step 4: Simplify right side
    4,668.50x = 19,426,917.34
  5. Step 5: Solve for x
    x = 19,426,917.34/4,668.50
  6. Step 6: Final answer
    x = 4,161.28

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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.