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Finding the Fourth Proportional to 2,840.94, 4,252.64 and 2,598.74

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Solution

The fourth proportional to 2,840.94, 4,252.64 and 2,598.74 is: 3,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.94 : 4,252.64 = 2,598.74 : x
  2. Step 2: Convert to fraction form
    2,840.94/4,252.64 = 2,598.74/x
  3. Step 3: Cross multiply
    2,840.94x = 4,252.64 × 2,598.74
  4. Step 4: Simplify right side
    2,840.94x = 11,051,505.67
  5. Step 5: Solve for x
    x = 11,051,505.67/2,840.94
  6. Step 6: Final answer
    x = 3,890.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.