Home / 2,074.42-2,862.98-1,190.06

Finding the Fourth Proportional to 2,074.42, 2,862.98 and 1,190.06

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Solution

The fourth proportional to 2,074.42, 2,862.98 and 1,190.06 is: 1,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.42 : 2,862.98 = 1,190.06 : x
  2. Step 2: Convert to fraction form
    2,074.42/2,862.98 = 1,190.06/x
  3. Step 3: Cross multiply
    2,074.42x = 2,862.98 × 1,190.06
  4. Step 4: Simplify right side
    2,074.42x = 3,407,117.98
  5. Step 5: Solve for x
    x = 3,407,117.98/2,074.42
  6. Step 6: Final answer
    x = 1,642.44

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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.