Home / 3,601.05-4,971.74-2,939.48

Finding the Fourth Proportional to 3,601.05, 4,971.74 and 2,939.48

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Solution

The fourth proportional to 3,601.05, 4,971.74 and 2,939.48 is: 4,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.05 : 4,971.74 = 2,939.48 : x
  2. Step 2: Convert to fraction form
    3,601.05/4,971.74 = 2,939.48/x
  3. Step 3: Cross multiply
    3,601.05x = 4,971.74 × 2,939.48
  4. Step 4: Simplify right side
    3,601.05x = 14,614,312.79
  5. Step 5: Solve for x
    x = 14,614,312.79/3,601.05
  6. Step 6: Final answer
    x = 4,058.35

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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.