Home / 3,916.36-5,403.59-2,323.05

Finding the Fourth Proportional to 3,916.36, 5,403.59 and 2,323.05

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Solution

The fourth proportional to 3,916.36, 5,403.59 and 2,323.05 is: 3,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.36 : 5,403.59 = 2,323.05 : x
  2. Step 2: Convert to fraction form
    3,916.36/5,403.59 = 2,323.05/x
  3. Step 3: Cross multiply
    3,916.36x = 5,403.59 × 2,323.05
  4. Step 4: Simplify right side
    3,916.36x = 12,552,786.58
  5. Step 5: Solve for x
    x = 12,552,786.58/3,916.36
  6. Step 6: Final answer
    x = 3,205.22

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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.