Home / 2,039.25-2,813.23-1,478.49

Finding the Fourth Proportional to 2,039.25, 2,813.23 and 1,478.49

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Solution

The fourth proportional to 2,039.25, 2,813.23 and 1,478.49 is: 2,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.25 : 2,813.23 = 1,478.49 : x
  2. Step 2: Convert to fraction form
    2,039.25/2,813.23 = 1,478.49/x
  3. Step 3: Cross multiply
    2,039.25x = 2,813.23 × 1,478.49
  4. Step 4: Simplify right side
    2,039.25x = 4,159,332.42
  5. Step 5: Solve for x
    x = 4,159,332.42/2,039.25
  6. Step 6: Final answer
    x = 2,039.64

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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.