Home / 4,327.49-6,492.41-1,405.79

Finding the Fourth Proportional to 4,327.49, 6,492.41 and 1,405.79

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Solution

The fourth proportional to 4,327.49, 6,492.41 and 1,405.79 is: 2,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.49 : 6,492.41 = 1,405.79 : x
  2. Step 2: Convert to fraction form
    4,327.49/6,492.41 = 1,405.79/x
  3. Step 3: Cross multiply
    4,327.49x = 6,492.41 × 1,405.79
  4. Step 4: Simplify right side
    4,327.49x = 9,126,925.56
  5. Step 5: Solve for x
    x = 9,126,925.56/4,327.49
  6. Step 6: Final answer
    x = 2,109.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.