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Finding the Fourth Proportional to 2,773.51, 3,825.76 and 1,653.70

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Solution

The fourth proportional to 2,773.51, 3,825.76 and 1,653.70 is: 2,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.51 : 3,825.76 = 1,653.70 : x
  2. Step 2: Convert to fraction form
    2,773.51/3,825.76 = 1,653.70/x
  3. Step 3: Cross multiply
    2,773.51x = 3,825.76 × 1,653.70
  4. Step 4: Simplify right side
    2,773.51x = 6,326,659.31
  5. Step 5: Solve for x
    x = 6,326,659.31/2,773.51
  6. Step 6: Final answer
    x = 2,281.10

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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.