Home / 3,395.14-4,685.21-1,903.16

Finding the Fourth Proportional to 3,395.14, 4,685.21 and 1,903.16

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Solution

The fourth proportional to 3,395.14, 4,685.21 and 1,903.16 is: 2,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.14 : 4,685.21 = 1,903.16 : x
  2. Step 2: Convert to fraction form
    3,395.14/4,685.21 = 1,903.16/x
  3. Step 3: Cross multiply
    3,395.14x = 4,685.21 × 1,903.16
  4. Step 4: Simplify right side
    3,395.14x = 8,916,687.24
  5. Step 5: Solve for x
    x = 8,916,687.24/3,395.14
  6. Step 6: Final answer
    x = 2,626.31

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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.