Home / 3,345.60-4,616.87-1,853.51

Finding the Fourth Proportional to 3,345.60, 4,616.87 and 1,853.51

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Solution

The fourth proportional to 3,345.60, 4,616.87 and 1,853.51 is: 2,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.60 : 4,616.87 = 1,853.51 : x
  2. Step 2: Convert to fraction form
    3,345.60/4,616.87 = 1,853.51/x
  3. Step 3: Cross multiply
    3,345.60x = 4,616.87 × 1,853.51
  4. Step 4: Simplify right side
    3,345.60x = 8,557,408.33
  5. Step 5: Solve for x
    x = 8,557,408.33/3,345.60
  6. Step 6: Final answer
    x = 2,557.81

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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.