Home / 3,345.51-4,616.76-1,853.43

Finding the Fourth Proportional to 3,345.51, 4,616.76 and 1,853.43

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Solution

The fourth proportional to 3,345.51, 4,616.76 and 1,853.43 is: 2,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.51 : 4,616.76 = 1,853.43 : x
  2. Step 2: Convert to fraction form
    3,345.51/4,616.76 = 1,853.43/x
  3. Step 3: Cross multiply
    3,345.51x = 4,616.76 × 1,853.43
  4. Step 4: Simplify right side
    3,345.51x = 8,556,831.12
  5. Step 5: Solve for x
    x = 8,556,831.12/3,345.51
  6. Step 6: Final answer
    x = 2,557.70

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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.