Home / 3,581.61-4,942.60-2,184.36

Finding the Fourth Proportional to 3,581.61, 4,942.60 and 2,184.36

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Solution

The fourth proportional to 3,581.61, 4,942.60 and 2,184.36 is: 3,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.61 : 4,942.60 = 2,184.36 : x
  2. Step 2: Convert to fraction form
    3,581.61/4,942.60 = 2,184.36/x
  3. Step 3: Cross multiply
    3,581.61x = 4,942.60 × 2,184.36
  4. Step 4: Simplify right side
    3,581.61x = 10,796,417.74
  5. Step 5: Solve for x
    x = 10,796,417.74/3,581.61
  6. Step 6: Final answer
    x = 3,014.40

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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.