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Finding the Fourth Proportional to 4,144.48, 5,719.31 and 2,281.48

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Solution

The fourth proportional to 4,144.48, 5,719.31 and 2,281.48 is: 3,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.48 : 5,719.31 = 2,281.48 : x
  2. Step 2: Convert to fraction form
    4,144.48/5,719.31 = 2,281.48/x
  3. Step 3: Cross multiply
    4,144.48x = 5,719.31 × 2,281.48
  4. Step 4: Simplify right side
    4,144.48x = 13,048,482.78
  5. Step 5: Solve for x
    x = 13,048,482.78/4,144.48
  6. Step 6: Final answer
    x = 3,148.40

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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.