Home / 3,417.48-4,716.19-1,905.01

Finding the Fourth Proportional to 3,417.48, 4,716.19 and 1,905.01

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Solution

The fourth proportional to 3,417.48, 4,716.19 and 1,905.01 is: 2,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.48 : 4,716.19 = 1,905.01 : x
  2. Step 2: Convert to fraction form
    3,417.48/4,716.19 = 1,905.01/x
  3. Step 3: Cross multiply
    3,417.48x = 4,716.19 × 1,905.01
  4. Step 4: Simplify right side
    3,417.48x = 8,984,389.11
  5. Step 5: Solve for x
    x = 8,984,389.11/3,417.48
  6. Step 6: Final answer
    x = 2,628.95

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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.