Home / 2,740.99-3,782.58-1,562.14

Finding the Fourth Proportional to 2,740.99, 3,782.58 and 1,562.14

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Solution

The fourth proportional to 2,740.99, 3,782.58 and 1,562.14 is: 2,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.99 : 3,782.58 = 1,562.14 : x
  2. Step 2: Convert to fraction form
    2,740.99/3,782.58 = 1,562.14/x
  3. Step 3: Cross multiply
    2,740.99x = 3,782.58 × 1,562.14
  4. Step 4: Simplify right side
    2,740.99x = 5,908,911.71
  5. Step 5: Solve for x
    x = 5,908,911.71/2,740.99
  6. Step 6: Final answer
    x = 2,155.76

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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.