Home / 2,025.70-3,038.55-1,204.90

Finding the Fourth Proportional to 2,025.70, 3,038.55 and 1,204.90

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Solution

The fourth proportional to 2,025.70, 3,038.55 and 1,204.90 is: 1,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.70 : 3,038.55 = 1,204.90 : x
  2. Step 2: Convert to fraction form
    2,025.70/3,038.55 = 1,204.90/x
  3. Step 3: Cross multiply
    2,025.70x = 3,038.55 × 1,204.90
  4. Step 4: Simplify right side
    2,025.70x = 3,661,148.90
  5. Step 5: Solve for x
    x = 3,661,148.90/2,025.70
  6. Step 6: Final answer
    x = 1,807.35

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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.