Home / 2,609.64-3,598.52-2,133.95

Finding the Fourth Proportional to 2,609.64, 3,598.52 and 2,133.95

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Solution

The fourth proportional to 2,609.64, 3,598.52 and 2,133.95 is: 2,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.64 : 3,598.52 = 2,133.95 : x
  2. Step 2: Convert to fraction form
    2,609.64/3,598.52 = 2,133.95/x
  3. Step 3: Cross multiply
    2,609.64x = 3,598.52 × 2,133.95
  4. Step 4: Simplify right side
    2,609.64x = 7,679,033.09
  5. Step 5: Solve for x
    x = 7,679,033.09/2,609.64
  6. Step 6: Final answer
    x = 2,942.56

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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.