Home / 3,169.89-4,374.37-1,753.65

Finding the Fourth Proportional to 3,169.89, 4,374.37 and 1,753.65

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Solution

The fourth proportional to 3,169.89, 4,374.37 and 1,753.65 is: 2,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.89 : 4,374.37 = 1,753.65 : x
  2. Step 2: Convert to fraction form
    3,169.89/4,374.37 = 1,753.65/x
  3. Step 3: Cross multiply
    3,169.89x = 4,374.37 × 1,753.65
  4. Step 4: Simplify right side
    3,169.89x = 7,671,128.70
  5. Step 5: Solve for x
    x = 7,671,128.70/3,169.89
  6. Step 6: Final answer
    x = 2,420.00

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1.5x scale

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.