Home / 3,367.81-4,647.40-1,875.75

Finding the Fourth Proportional to 3,367.81, 4,647.40 and 1,875.75

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Solution

The fourth proportional to 3,367.81, 4,647.40 and 1,875.75 is: 2,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.81 : 4,647.40 = 1,875.75 : x
  2. Step 2: Convert to fraction form
    3,367.81/4,647.40 = 1,875.75/x
  3. Step 3: Cross multiply
    3,367.81x = 4,647.40 × 1,875.75
  4. Step 4: Simplify right side
    3,367.81x = 8,717,360.55
  5. Step 5: Solve for x
    x = 8,717,360.55/3,367.81
  6. Step 6: Final answer
    x = 2,588.44

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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.