Home / 2,953.38-4,076.04-1,908.48

Finding the Fourth Proportional to 2,953.38, 4,076.04 and 1,908.48

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Solution

The fourth proportional to 2,953.38, 4,076.04 and 1,908.48 is: 2,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.38 : 4,076.04 = 1,908.48 : x
  2. Step 2: Convert to fraction form
    2,953.38/4,076.04 = 1,908.48/x
  3. Step 3: Cross multiply
    2,953.38x = 4,076.04 × 1,908.48
  4. Step 4: Simplify right side
    2,953.38x = 7,779,040.82
  5. Step 5: Solve for x
    x = 7,779,040.82/2,953.38
  6. Step 6: Final answer
    x = 2,633.95

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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.