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Finding the Fourth Proportional to 2,846.22, 3,928.95 and 1,798.08

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Solution

The fourth proportional to 2,846.22, 3,928.95 and 1,798.08 is: 2,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.22 : 3,928.95 = 1,798.08 : x
  2. Step 2: Convert to fraction form
    2,846.22/3,928.95 = 1,798.08/x
  3. Step 3: Cross multiply
    2,846.22x = 3,928.95 × 1,798.08
  4. Step 4: Simplify right side
    2,846.22x = 7,064,566.42
  5. Step 5: Solve for x
    x = 7,064,566.42/2,846.22
  6. Step 6: Final answer
    x = 2,482.09

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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.