Home / 2,997.18-4,135.67-1,703.60

Finding the Fourth Proportional to 2,997.18, 4,135.67 and 1,703.60

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Solution

The fourth proportional to 2,997.18, 4,135.67 and 1,703.60 is: 2,350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.18 : 4,135.67 = 1,703.60 : x
  2. Step 2: Convert to fraction form
    2,997.18/4,135.67 = 1,703.60/x
  3. Step 3: Cross multiply
    2,997.18x = 4,135.67 × 1,703.60
  4. Step 4: Simplify right side
    2,997.18x = 7,045,527.41
  5. Step 5: Solve for x
    x = 7,045,527.41/2,997.18
  6. Step 6: Final answer
    x = 2,350.72

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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.