Home / 4,679.46-6,457.32-2,690.01

Finding the Fourth Proportional to 4,679.46, 6,457.32 and 2,690.01

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Solution

The fourth proportional to 4,679.46, 6,457.32 and 2,690.01 is: 3,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.46 : 6,457.32 = 2,690.01 : x
  2. Step 2: Convert to fraction form
    4,679.46/6,457.32 = 2,690.01/x
  3. Step 3: Cross multiply
    4,679.46x = 6,457.32 × 2,690.01
  4. Step 4: Simplify right side
    4,679.46x = 17,370,255.37
  5. Step 5: Solve for x
    x = 17,370,255.37/4,679.46
  6. Step 6: Final answer
    x = 3,712.02

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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.