Home / 4,643.10-6,404.13-2,874.06

Finding the Fourth Proportional to 4,643.10, 6,404.13 and 2,874.06

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Solution

The fourth proportional to 4,643.10, 6,404.13 and 2,874.06 is: 3,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.10 : 6,404.13 = 2,874.06 : x
  2. Step 2: Convert to fraction form
    4,643.10/6,404.13 = 2,874.06/x
  3. Step 3: Cross multiply
    4,643.10x = 6,404.13 × 2,874.06
  4. Step 4: Simplify right side
    4,643.10x = 18,405,853.87
  5. Step 5: Solve for x
    x = 18,405,853.87/4,643.10
  6. Step 6: Final answer
    x = 3,964.13

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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.