Home / 5,427.21-8,140.44-1,732.08

Finding the Fourth Proportional to 5,427.21, 8,140.44 and 1,732.08

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Solution

The fourth proportional to 5,427.21, 8,140.44 and 1,732.08 is: 2,598.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.21 : 8,140.44 = 1,732.08 : x
  2. Step 2: Convert to fraction form
    5,427.21/8,140.44 = 1,732.08/x
  3. Step 3: Cross multiply
    5,427.21x = 8,140.44 × 1,732.08
  4. Step 4: Simplify right side
    5,427.21x = 14,099,893.32
  5. Step 5: Solve for x
    x = 14,099,893.32/5,427.21
  6. Step 6: Final answer
    x = 2,598.00

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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.