Home / 5,437.49-8,157.68-1,739.79

Finding the Fourth Proportional to 5,437.49, 8,157.68 and 1,739.79

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Solution

The fourth proportional to 5,437.49, 8,157.68 and 1,739.79 is: 2,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.49 : 8,157.68 = 1,739.79 : x
  2. Step 2: Convert to fraction form
    5,437.49/8,157.68 = 1,739.79/x
  3. Step 3: Cross multiply
    5,437.49x = 8,157.68 × 1,739.79
  4. Step 4: Simplify right side
    5,437.49x = 14,192,641.39
  5. Step 5: Solve for x
    x = 14,192,641.39/5,437.49
  6. Step 6: Final answer
    x = 2,610.15

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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.