Home / 1,719.83-2,581.11-624.51

Finding the Fourth Proportional to 1,719.83, 2,581.11 and 624.51

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Solution

The fourth proportional to 1,719.83, 2,581.11 and 624.51 is: 937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.83 : 2,581.11 = 624.51 : x
  2. Step 2: Convert to fraction form
    1,719.83/2,581.11 = 624.51/x
  3. Step 3: Cross multiply
    1,719.83x = 2,581.11 × 624.51
  4. Step 4: Simplify right side
    1,719.83x = 1,611,929.01
  5. Step 5: Solve for x
    x = 1,611,929.01/1,719.83
  6. Step 6: Final answer
    x = 937.26

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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.