Home / 3,038.44-4,192.14-1,858.30

Finding the Fourth Proportional to 3,038.44, 4,192.14 and 1,858.30

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Solution

The fourth proportional to 3,038.44, 4,192.14 and 1,858.30 is: 2,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.44 : 4,192.14 = 1,858.30 : x
  2. Step 2: Convert to fraction form
    3,038.44/4,192.14 = 1,858.30/x
  3. Step 3: Cross multiply
    3,038.44x = 4,192.14 × 1,858.30
  4. Step 4: Simplify right side
    3,038.44x = 7,790,253.76
  5. Step 5: Solve for x
    x = 7,790,253.76/3,038.44
  6. Step 6: Final answer
    x = 2,563.90

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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.