Home / 4,701.60-7,048.26-1,781.96

Finding the Fourth Proportional to 4,701.60, 7,048.26 and 1,781.96

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Solution

The fourth proportional to 4,701.60, 7,048.26 and 1,781.96 is: 2,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.60 : 7,048.26 = 1,781.96 : x
  2. Step 2: Convert to fraction form
    4,701.60/7,048.26 = 1,781.96/x
  3. Step 3: Cross multiply
    4,701.60x = 7,048.26 × 1,781.96
  4. Step 4: Simplify right side
    4,701.60x = 12,559,717.39
  5. Step 5: Solve for x
    x = 12,559,717.39/4,701.60
  6. Step 6: Final answer
    x = 2,671.37

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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.