Home / 3,345.71-4,616.74-1,853.34

Finding the Fourth Proportional to 3,345.71, 4,616.74 and 1,853.34

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Solution

The fourth proportional to 3,345.71, 4,616.74 and 1,853.34 is: 2,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.71 : 4,616.74 = 1,853.34 : x
  2. Step 2: Convert to fraction form
    3,345.71/4,616.74 = 1,853.34/x
  3. Step 3: Cross multiply
    3,345.71x = 4,616.74 × 1,853.34
  4. Step 4: Simplify right side
    3,345.71x = 8,556,379.64
  5. Step 5: Solve for x
    x = 8,556,379.64/3,345.71
  6. Step 6: Final answer
    x = 2,557.42

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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.