Home / 5,291.19-7,301.74-3,168.28

Finding the Fourth Proportional to 5,291.19, 7,301.74 and 3,168.28

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Solution

The fourth proportional to 5,291.19, 7,301.74 and 3,168.28 is: 4,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.19 : 7,301.74 = 3,168.28 : x
  2. Step 2: Convert to fraction form
    5,291.19/7,301.74 = 3,168.28/x
  3. Step 3: Cross multiply
    5,291.19x = 7,301.74 × 3,168.28
  4. Step 4: Simplify right side
    5,291.19x = 23,133,956.81
  5. Step 5: Solve for x
    x = 23,133,956.81/5,291.19
  6. Step 6: Final answer
    x = 4,372.17

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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.