Home / 3,581.85-5,374.88-1,501.70

Finding the Fourth Proportional to 3,581.85, 5,374.88 and 1,501.70

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Solution

The fourth proportional to 3,581.85, 5,374.88 and 1,501.70 is: 2,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.85 : 5,374.88 = 1,501.70 : x
  2. Step 2: Convert to fraction form
    3,581.85/5,374.88 = 1,501.70/x
  3. Step 3: Cross multiply
    3,581.85x = 5,374.88 × 1,501.70
  4. Step 4: Simplify right side
    3,581.85x = 8,071,457.30
  5. Step 5: Solve for x
    x = 8,071,457.30/3,581.85
  6. Step 6: Final answer
    x = 2,253.43

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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.