Home / 3,445.49-4,754.67-1,953.54

Finding the Fourth Proportional to 3,445.49, 4,754.67 and 1,953.54

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Solution

The fourth proportional to 3,445.49, 4,754.67 and 1,953.54 is: 2,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.49 : 4,754.67 = 1,953.54 : x
  2. Step 2: Convert to fraction form
    3,445.49/4,754.67 = 1,953.54/x
  3. Step 3: Cross multiply
    3,445.49x = 4,754.67 × 1,953.54
  4. Step 4: Simplify right side
    3,445.49x = 9,288,438.03
  5. Step 5: Solve for x
    x = 9,288,438.03/3,445.49
  6. Step 6: Final answer
    x = 2,695.83

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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.