Home / 2,841.63-3,925.26-2,186.61

Finding the Fourth Proportional to 2,841.63, 3,925.26 and 2,186.61

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Solution

The fourth proportional to 2,841.63, 3,925.26 and 2,186.61 is: 3,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.63 : 3,925.26 = 2,186.61 : x
  2. Step 2: Convert to fraction form
    2,841.63/3,925.26 = 2,186.61/x
  3. Step 3: Cross multiply
    2,841.63x = 3,925.26 × 2,186.61
  4. Step 4: Simplify right side
    2,841.63x = 8,583,012.77
  5. Step 5: Solve for x
    x = 8,583,012.77/2,841.63
  6. Step 6: Final answer
    x = 3,020.45

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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.