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Finding the Fourth Proportional to 2,804.44, 3,870.30 and 1,562.44

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Solution

The fourth proportional to 2,804.44, 3,870.30 and 1,562.44 is: 2,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.44 : 3,870.30 = 1,562.44 : x
  2. Step 2: Convert to fraction form
    2,804.44/3,870.30 = 1,562.44/x
  3. Step 3: Cross multiply
    2,804.44x = 3,870.30 × 1,562.44
  4. Step 4: Simplify right side
    2,804.44x = 6,047,111.53
  5. Step 5: Solve for x
    x = 6,047,111.53/2,804.44
  6. Step 6: Final answer
    x = 2,156.26

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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.