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Finding the Fourth Proportional to 2,794.59, 3,856.71 and 1,848.75

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Solution

The fourth proportional to 2,794.59, 3,856.71 and 1,848.75 is: 2,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.59 : 3,856.71 = 1,848.75 : x
  2. Step 2: Convert to fraction form
    2,794.59/3,856.71 = 1,848.75/x
  3. Step 3: Cross multiply
    2,794.59x = 3,856.71 × 1,848.75
  4. Step 4: Simplify right side
    2,794.59x = 7,130,085.08
  5. Step 5: Solve for x
    x = 7,130,085.08/2,794.59
  6. Step 6: Final answer
    x = 2,551.39

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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.