Home / 5,631.49-8,442.93-3,409.84

Finding the Fourth Proportional to 5,631.49, 8,442.93 and 3,409.84

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Solution

The fourth proportional to 5,631.49, 8,442.93 and 3,409.84 is: 5,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.49 : 8,442.93 = 3,409.84 : x
  2. Step 2: Convert to fraction form
    5,631.49/8,442.93 = 3,409.84/x
  3. Step 3: Cross multiply
    5,631.49x = 8,442.93 × 3,409.84
  4. Step 4: Simplify right side
    5,631.49x = 28,789,040.43
  5. Step 5: Solve for x
    x = 28,789,040.43/5,631.49
  6. Step 6: Final answer
    x = 5,112.15

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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.