Home / 5,427.02-8,141.75-1,729.46

Finding the Fourth Proportional to 5,427.02, 8,141.75 and 1,729.46

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Solution

The fourth proportional to 5,427.02, 8,141.75 and 1,729.46 is: 2,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.02 : 8,141.75 = 1,729.46 : x
  2. Step 2: Convert to fraction form
    5,427.02/8,141.75 = 1,729.46/x
  3. Step 3: Cross multiply
    5,427.02x = 8,141.75 × 1,729.46
  4. Step 4: Simplify right side
    5,427.02x = 14,080,830.96
  5. Step 5: Solve for x
    x = 14,080,830.96/5,427.02
  6. Step 6: Final answer
    x = 2,594.58

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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.