Home / 6,411.42-8,853.75-4,717.98

Finding the Fourth Proportional to 6,411.42, 8,853.75 and 4,717.98

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Solution

The fourth proportional to 6,411.42, 8,853.75 and 4,717.98 is: 6,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.42 : 8,853.75 = 4,717.98 : x
  2. Step 2: Convert to fraction form
    6,411.42/8,853.75 = 4,717.98/x
  3. Step 3: Cross multiply
    6,411.42x = 8,853.75 × 4,717.98
  4. Step 4: Simplify right side
    6,411.42x = 41,771,815.43
  5. Step 5: Solve for x
    x = 41,771,815.43/6,411.42
  6. Step 6: Final answer
    x = 6,515.22

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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.