Home / 5,407.10-8,110.96-1,511.49

Finding the Fourth Proportional to 5,407.10, 8,110.96 and 1,511.49

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Solution

The fourth proportional to 5,407.10, 8,110.96 and 1,511.49 is: 2,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.10 : 8,110.96 = 1,511.49 : x
  2. Step 2: Convert to fraction form
    5,407.10/8,110.96 = 1,511.49/x
  3. Step 3: Cross multiply
    5,407.10x = 8,110.96 × 1,511.49
  4. Step 4: Simplify right side
    5,407.10x = 12,259,631.15
  5. Step 5: Solve for x
    x = 12,259,631.15/5,407.10
  6. Step 6: Final answer
    x = 2,267.32

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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.