Home / 2,701.50-3,728.07-1,873.98

Finding the Fourth Proportional to 2,701.50, 3,728.07 and 1,873.98

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Solution

The fourth proportional to 2,701.50, 3,728.07 and 1,873.98 is: 2,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.50 : 3,728.07 = 1,873.98 : x
  2. Step 2: Convert to fraction form
    2,701.50/3,728.07 = 1,873.98/x
  3. Step 3: Cross multiply
    2,701.50x = 3,728.07 × 1,873.98
  4. Step 4: Simplify right side
    2,701.50x = 6,986,328.62
  5. Step 5: Solve for x
    x = 6,986,328.62/2,701.50
  6. Step 6: Final answer
    x = 2,586.09

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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.