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Finding the Fourth Proportional to 3,596.79, 4,959.49 and 2,931.58

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Solution

The fourth proportional to 3,596.79, 4,959.49 and 2,931.58 is: 4,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.79 : 4,959.49 = 2,931.58 : x
  2. Step 2: Convert to fraction form
    3,596.79/4,959.49 = 2,931.58/x
  3. Step 3: Cross multiply
    3,596.79x = 4,959.49 × 2,931.58
  4. Step 4: Simplify right side
    3,596.79x = 14,539,141.69
  5. Step 5: Solve for x
    x = 14,539,141.69/3,596.79
  6. Step 6: Final answer
    x = 4,042.25

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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.