Home / 4,722.51-6,514.19-3,398.01

Finding the Fourth Proportional to 4,722.51, 6,514.19 and 3,398.01

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Solution

The fourth proportional to 4,722.51, 6,514.19 and 3,398.01 is: 4,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.51 : 6,514.19 = 3,398.01 : x
  2. Step 2: Convert to fraction form
    4,722.51/6,514.19 = 3,398.01/x
  3. Step 3: Cross multiply
    4,722.51x = 6,514.19 × 3,398.01
  4. Step 4: Simplify right side
    4,722.51x = 22,135,282.76
  5. Step 5: Solve for x
    x = 22,135,282.76/4,722.51
  6. Step 6: Final answer
    x = 4,687.19

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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.