Home / 2,176.07-3,003.02-1,419.04

Finding the Fourth Proportional to 2,176.07, 3,003.02 and 1,419.04

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Solution

The fourth proportional to 2,176.07, 3,003.02 and 1,419.04 is: 1,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.07 : 3,003.02 = 1,419.04 : x
  2. Step 2: Convert to fraction form
    2,176.07/3,003.02 = 1,419.04/x
  3. Step 3: Cross multiply
    2,176.07x = 3,003.02 × 1,419.04
  4. Step 4: Simplify right side
    2,176.07x = 4,261,423.91
  5. Step 5: Solve for x
    x = 4,261,423.91/2,176.07
  6. Step 6: Final answer
    x = 1,958.32

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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.