Home / 2,914.85-4,013.21-2,716.13

Finding the Fourth Proportional to 2,914.85, 4,013.21 and 2,716.13

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Solution

The fourth proportional to 2,914.85, 4,013.21 and 2,716.13 is: 3,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.85 : 4,013.21 = 2,716.13 : x
  2. Step 2: Convert to fraction form
    2,914.85/4,013.21 = 2,716.13/x
  3. Step 3: Cross multiply
    2,914.85x = 4,013.21 × 2,716.13
  4. Step 4: Simplify right side
    2,914.85x = 10,900,386.50
  5. Step 5: Solve for x
    x = 10,900,386.50/2,914.85
  6. Step 6: Final answer
    x = 3,739.60

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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.