Home / 2,701.42-4,043.58-1,774.78

Finding the Fourth Proportional to 2,701.42, 4,043.58 and 1,774.78

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Solution

The fourth proportional to 2,701.42, 4,043.58 and 1,774.78 is: 2,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.42 : 4,043.58 = 1,774.78 : x
  2. Step 2: Convert to fraction form
    2,701.42/4,043.58 = 1,774.78/x
  3. Step 3: Cross multiply
    2,701.42x = 4,043.58 × 1,774.78
  4. Step 4: Simplify right side
    2,701.42x = 7,176,464.91
  5. Step 5: Solve for x
    x = 7,176,464.91/2,701.42
  6. Step 6: Final answer
    x = 2,656.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.