Home / 4,631.89-6,392.09-3,307.85

Finding the Fourth Proportional to 4,631.89, 6,392.09 and 3,307.85

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Solution

The fourth proportional to 4,631.89, 6,392.09 and 3,307.85 is: 4,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.89 : 6,392.09 = 3,307.85 : x
  2. Step 2: Convert to fraction form
    4,631.89/6,392.09 = 3,307.85/x
  3. Step 3: Cross multiply
    4,631.89x = 6,392.09 × 3,307.85
  4. Step 4: Simplify right side
    4,631.89x = 21,144,074.91
  5. Step 5: Solve for x
    x = 21,144,074.91/4,631.89
  6. Step 6: Final answer
    x = 4,564.89

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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.