Home / 5,507.31-8,259.21-1,808.68

Finding the Fourth Proportional to 5,507.31, 8,259.21 and 1,808.68

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Solution

The fourth proportional to 5,507.31, 8,259.21 and 1,808.68 is: 2,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.31 : 8,259.21 = 1,808.68 : x
  2. Step 2: Convert to fraction form
    5,507.31/8,259.21 = 1,808.68/x
  3. Step 3: Cross multiply
    5,507.31x = 8,259.21 × 1,808.68
  4. Step 4: Simplify right side
    5,507.31x = 14,938,244.64
  5. Step 5: Solve for x
    x = 14,938,244.64/5,507.31
  6. Step 6: Final answer
    x = 2,712.44

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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.