Home / 2,038.56-2,812.44-1,199.16

Finding the Fourth Proportional to 2,038.56, 2,812.44 and 1,199.16

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Solution

The fourth proportional to 2,038.56, 2,812.44 and 1,199.16 is: 1,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.56 : 2,812.44 = 1,199.16 : x
  2. Step 2: Convert to fraction form
    2,038.56/2,812.44 = 1,199.16/x
  3. Step 3: Cross multiply
    2,038.56x = 2,812.44 × 1,199.16
  4. Step 4: Simplify right side
    2,038.56x = 3,372,565.55
  5. Step 5: Solve for x
    x = 3,372,565.55/2,038.56
  6. Step 6: Final answer
    x = 1,654.39

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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.