Home / 3,503.07-4,841.22-2,872.65

Finding the Fourth Proportional to 3,503.07, 4,841.22 and 2,872.65

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Solution

The fourth proportional to 3,503.07, 4,841.22 and 2,872.65 is: 3,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.07 : 4,841.22 = 2,872.65 : x
  2. Step 2: Convert to fraction form
    3,503.07/4,841.22 = 2,872.65/x
  3. Step 3: Cross multiply
    3,503.07x = 4,841.22 × 2,872.65
  4. Step 4: Simplify right side
    3,503.07x = 13,907,130.63
  5. Step 5: Solve for x
    x = 13,907,130.63/3,503.07
  6. Step 6: Final answer
    x = 3,969.98

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Half scale
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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.