Home / 3,180.74-4,389.93-2,064.96

Finding the Fourth Proportional to 3,180.74, 4,389.93 and 2,064.96

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Solution

The fourth proportional to 3,180.74, 4,389.93 and 2,064.96 is: 2,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.74 : 4,389.93 = 2,064.96 : x
  2. Step 2: Convert to fraction form
    3,180.74/4,389.93 = 2,064.96/x
  3. Step 3: Cross multiply
    3,180.74x = 4,389.93 × 2,064.96
  4. Step 4: Simplify right side
    3,180.74x = 9,065,029.85
  5. Step 5: Solve for x
    x = 9,065,029.85/3,180.74
  6. Step 6: Final answer
    x = 2,849.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.