Home / 5,409.22-8,114.14-1,513.62

Finding the Fourth Proportional to 5,409.22, 8,114.14 and 1,513.62

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Solution

The fourth proportional to 5,409.22, 8,114.14 and 1,513.62 is: 2,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.22 : 8,114.14 = 1,513.62 : x
  2. Step 2: Convert to fraction form
    5,409.22/8,114.14 = 1,513.62/x
  3. Step 3: Cross multiply
    5,409.22x = 8,114.14 × 1,513.62
  4. Step 4: Simplify right side
    5,409.22x = 12,281,724.59
  5. Step 5: Solve for x
    x = 12,281,724.59/5,409.22
  6. Step 6: Final answer
    x = 2,270.52

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Half scale
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Double scale
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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.