Home / 2,039.52-2,814.99-1,330.14

Finding the Fourth Proportional to 2,039.52, 2,814.99 and 1,330.14

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Solution

The fourth proportional to 2,039.52, 2,814.99 and 1,330.14 is: 1,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.52 : 2,814.99 = 1,330.14 : x
  2. Step 2: Convert to fraction form
    2,039.52/2,814.99 = 1,330.14/x
  3. Step 3: Cross multiply
    2,039.52x = 2,814.99 × 1,330.14
  4. Step 4: Simplify right side
    2,039.52x = 3,744,330.80
  5. Step 5: Solve for x
    x = 3,744,330.80/2,039.52
  6. Step 6: Final answer
    x = 1,835.89

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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.