Home / 3,513.84-4,849.20-1,942.08

Finding the Fourth Proportional to 3,513.84, 4,849.20 and 1,942.08

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Solution

The fourth proportional to 3,513.84, 4,849.20 and 1,942.08 is: 2,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.84 : 4,849.20 = 1,942.08 : x
  2. Step 2: Convert to fraction form
    3,513.84/4,849.20 = 1,942.08/x
  3. Step 3: Cross multiply
    3,513.84x = 4,849.20 × 1,942.08
  4. Step 4: Simplify right side
    3,513.84x = 9,417,534.34
  5. Step 5: Solve for x
    x = 9,417,534.34/3,513.84
  6. Step 6: Final answer
    x = 2,680.13

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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.