Home / 3,581.84-4,943.64-2,009.84

Finding the Fourth Proportional to 3,581.84, 4,943.64 and 2,009.84

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Solution

The fourth proportional to 3,581.84, 4,943.64 and 2,009.84 is: 2,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.84 : 4,943.64 = 2,009.84 : x
  2. Step 2: Convert to fraction form
    3,581.84/4,943.64 = 2,009.84/x
  3. Step 3: Cross multiply
    3,581.84x = 4,943.64 × 2,009.84
  4. Step 4: Simplify right side
    3,581.84x = 9,935,925.42
  5. Step 5: Solve for x
    x = 9,935,925.42/3,581.84
  6. Step 6: Final answer
    x = 2,773.97

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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.