Home / 2,748.49-4,126.85-2,707.50

Finding the Fourth Proportional to 2,748.49, 4,126.85 and 2,707.50

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Solution

The fourth proportional to 2,748.49, 4,126.85 and 2,707.50 is: 4,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.49 : 4,126.85 = 2,707.50 : x
  2. Step 2: Convert to fraction form
    2,748.49/4,126.85 = 2,707.50/x
  3. Step 3: Cross multiply
    2,748.49x = 4,126.85 × 2,707.50
  4. Step 4: Simplify right side
    2,748.49x = 11,173,446.38
  5. Step 5: Solve for x
    x = 11,173,446.38/2,748.49
  6. Step 6: Final answer
    x = 4,065.30

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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.