Home / 5,533.40-8,298.87-1,636.49

Finding the Fourth Proportional to 5,533.40, 8,298.87 and 1,636.49

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Solution

The fourth proportional to 5,533.40, 8,298.87 and 1,636.49 is: 2,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.40 : 8,298.87 = 1,636.49 : x
  2. Step 2: Convert to fraction form
    5,533.40/8,298.87 = 1,636.49/x
  3. Step 3: Cross multiply
    5,533.40x = 8,298.87 × 1,636.49
  4. Step 4: Simplify right side
    5,533.40x = 13,580,976.27
  5. Step 5: Solve for x
    x = 13,580,976.27/5,533.40
  6. Step 6: Final answer
    x = 2,454.37

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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.