Home / 3,540.36-4,885.80-2,048.74

Finding the Fourth Proportional to 3,540.36, 4,885.80 and 2,048.74

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Solution

The fourth proportional to 3,540.36, 4,885.80 and 2,048.74 is: 2,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.36 : 4,885.80 = 2,048.74 : x
  2. Step 2: Convert to fraction form
    3,540.36/4,885.80 = 2,048.74/x
  3. Step 3: Cross multiply
    3,540.36x = 4,885.80 × 2,048.74
  4. Step 4: Simplify right side
    3,540.36x = 10,009,733.89
  5. Step 5: Solve for x
    x = 10,009,733.89/3,540.36
  6. Step 6: Final answer
    x = 2,827.32

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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.