Home / 2,967.64-4,095.27-2,118.45

Finding the Fourth Proportional to 2,967.64, 4,095.27 and 2,118.45

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Solution

The fourth proportional to 2,967.64, 4,095.27 and 2,118.45 is: 2,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.64 : 4,095.27 = 2,118.45 : x
  2. Step 2: Convert to fraction form
    2,967.64/4,095.27 = 2,118.45/x
  3. Step 3: Cross multiply
    2,967.64x = 4,095.27 × 2,118.45
  4. Step 4: Simplify right side
    2,967.64x = 8,675,624.73
  5. Step 5: Solve for x
    x = 8,675,624.73/2,967.64
  6. Step 6: Final answer
    x = 2,923.41

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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.