Home / 3,345.31-4,616.33-1,853.13

Finding the Fourth Proportional to 3,345.31, 4,616.33 and 1,853.13

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Solution

The fourth proportional to 3,345.31, 4,616.33 and 1,853.13 is: 2,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.31 : 4,616.33 = 1,853.13 : x
  2. Step 2: Convert to fraction form
    3,345.31/4,616.33 = 1,853.13/x
  3. Step 3: Cross multiply
    3,345.31x = 4,616.33 × 1,853.13
  4. Step 4: Simplify right side
    3,345.31x = 8,554,659.61
  5. Step 5: Solve for x
    x = 8,554,659.61/3,345.31
  6. Step 6: Final answer
    x = 2,557.21

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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.