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Finding the Fourth Proportional to 3,953.67, 5,930.51 and 1,356.63

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Solution

The fourth proportional to 3,953.67, 5,930.51 and 1,356.63 is: 2,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.67 : 5,930.51 = 1,356.63 : x
  2. Step 2: Convert to fraction form
    3,953.67/5,930.51 = 1,356.63/x
  3. Step 3: Cross multiply
    3,953.67x = 5,930.51 × 1,356.63
  4. Step 4: Simplify right side
    3,953.67x = 8,045,501.00
  5. Step 5: Solve for x
    x = 8,045,501.00/3,953.67
  6. Step 6: Final answer
    x = 2,034.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.