Home / 3,513.19-4,848.20-1,941.28

Finding the Fourth Proportional to 3,513.19, 4,848.20 and 1,941.28

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Solution

The fourth proportional to 3,513.19, 4,848.20 and 1,941.28 is: 2,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.19 : 4,848.20 = 1,941.28 : x
  2. Step 2: Convert to fraction form
    3,513.19/4,848.20 = 1,941.28/x
  3. Step 3: Cross multiply
    3,513.19x = 4,848.20 × 1,941.28
  4. Step 4: Simplify right side
    3,513.19x = 9,411,713.70
  5. Step 5: Solve for x
    x = 9,411,713.70/3,513.19
  6. Step 6: Final answer
    x = 2,678.97

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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.