Home / 4,079.88-6,119.73-1,580.37

Finding the Fourth Proportional to 4,079.88, 6,119.73 and 1,580.37

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Solution

The fourth proportional to 4,079.88, 6,119.73 and 1,580.37 is: 2,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.88 : 6,119.73 = 1,580.37 : x
  2. Step 2: Convert to fraction form
    4,079.88/6,119.73 = 1,580.37/x
  3. Step 3: Cross multiply
    4,079.88x = 6,119.73 × 1,580.37
  4. Step 4: Simplify right side
    4,079.88x = 9,671,437.70
  5. Step 5: Solve for x
    x = 9,671,437.70/4,079.88
  6. Step 6: Final answer
    x = 2,370.52

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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.