Home / 5,427.95-8,135.94-3,551.58

Finding the Fourth Proportional to 5,427.95, 8,135.94 and 3,551.58

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Solution

The fourth proportional to 5,427.95, 8,135.94 and 3,551.58 is: 5,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.95 : 8,135.94 = 3,551.58 : x
  2. Step 2: Convert to fraction form
    5,427.95/8,135.94 = 3,551.58/x
  3. Step 3: Cross multiply
    5,427.95x = 8,135.94 × 3,551.58
  4. Step 4: Simplify right side
    5,427.95x = 28,895,455.10
  5. Step 5: Solve for x
    x = 28,895,455.10/5,427.95
  6. Step 6: Final answer
    x = 5,323.46

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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.