Home / 3,513.68-4,848.88-1,941.84

Finding the Fourth Proportional to 3,513.68, 4,848.88 and 1,941.84

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Solution

The fourth proportional to 3,513.68, 4,848.88 and 1,941.84 is: 2,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.68 : 4,848.88 = 1,941.84 : x
  2. Step 2: Convert to fraction form
    3,513.68/4,848.88 = 1,941.84/x
  3. Step 3: Cross multiply
    3,513.68x = 4,848.88 × 1,941.84
  4. Step 4: Simplify right side
    3,513.68x = 9,415,749.14
  5. Step 5: Solve for x
    x = 9,415,749.14/3,513.68
  6. Step 6: Final answer
    x = 2,679.74

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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.