Home / 3,806.28-5,253.34-2,235.28

Finding the Fourth Proportional to 3,806.28, 5,253.34 and 2,235.28

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Solution

The fourth proportional to 3,806.28, 5,253.34 and 2,235.28 is: 3,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.28 : 5,253.34 = 2,235.28 : x
  2. Step 2: Convert to fraction form
    3,806.28/5,253.34 = 2,235.28/x
  3. Step 3: Cross multiply
    3,806.28x = 5,253.34 × 2,235.28
  4. Step 4: Simplify right side
    3,806.28x = 11,742,685.84
  5. Step 5: Solve for x
    x = 11,742,685.84/3,806.28
  6. Step 6: Final answer
    x = 3,085.08

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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.