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Finding the Fourth Proportional to 2,681.94, 3,701.19 and 1,486.92

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Solution

The fourth proportional to 2,681.94, 3,701.19 and 1,486.92 is: 2,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.94 : 3,701.19 = 1,486.92 : x
  2. Step 2: Convert to fraction form
    2,681.94/3,701.19 = 1,486.92/x
  3. Step 3: Cross multiply
    2,681.94x = 3,701.19 × 1,486.92
  4. Step 4: Simplify right side
    2,681.94x = 5,503,363.71
  5. Step 5: Solve for x
    x = 5,503,363.71/2,681.94
  6. Step 6: Final answer
    x = 2,052.01

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Double 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.