Home / 2,957.63-4,436.26-1,108.58

Finding the Fourth Proportional to 2,957.63, 4,436.26 and 1,108.58

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Solution

The fourth proportional to 2,957.63, 4,436.26 and 1,108.58 is: 1,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.63 : 4,436.26 = 1,108.58 : x
  2. Step 2: Convert to fraction form
    2,957.63/4,436.26 = 1,108.58/x
  3. Step 3: Cross multiply
    2,957.63x = 4,436.26 × 1,108.58
  4. Step 4: Simplify right side
    2,957.63x = 4,917,957.43
  5. Step 5: Solve for x
    x = 4,917,957.43/2,957.63
  6. Step 6: Final answer
    x = 1,662.81

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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.