Home / 2,274.01-3,130.55-2,169.52

Finding the Fourth Proportional to 2,274.01, 3,130.55 and 2,169.52

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Solution

The fourth proportional to 2,274.01, 3,130.55 and 2,169.52 is: 2,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.01 : 3,130.55 = 2,169.52 : x
  2. Step 2: Convert to fraction form
    2,274.01/3,130.55 = 2,169.52/x
  3. Step 3: Cross multiply
    2,274.01x = 3,130.55 × 2,169.52
  4. Step 4: Simplify right side
    2,274.01x = 6,791,780.30
  5. Step 5: Solve for x
    x = 6,791,780.30/2,274.01
  6. Step 6: Final answer
    x = 2,986.70

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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.