Home / 4,991.15-7,487.49-1,703.47

Finding the Fourth Proportional to 4,991.15, 7,487.49 and 1,703.47

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Solution

The fourth proportional to 4,991.15, 7,487.49 and 1,703.47 is: 2,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.15 : 7,487.49 = 1,703.47 : x
  2. Step 2: Convert to fraction form
    4,991.15/7,487.49 = 1,703.47/x
  3. Step 3: Cross multiply
    4,991.15x = 7,487.49 × 1,703.47
  4. Step 4: Simplify right side
    4,991.15x = 12,754,714.59
  5. Step 5: Solve for x
    x = 12,754,714.59/4,991.15
  6. Step 6: Final answer
    x = 2,555.47

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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.