Home / 1,816.07-2,488.71-1,641.11

Finding the Fourth Proportional to 1,816.07, 2,488.71 and 1,641.11

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Solution

The fourth proportional to 1,816.07, 2,488.71 and 1,641.11 is: 2,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.07 : 2,488.71 = 1,641.11 : x
  2. Step 2: Convert to fraction form
    1,816.07/2,488.71 = 1,641.11/x
  3. Step 3: Cross multiply
    1,816.07x = 2,488.71 × 1,641.11
  4. Step 4: Simplify right side
    1,816.07x = 4,084,240.58
  5. Step 5: Solve for x
    x = 4,084,240.58/1,816.07
  6. Step 6: Final answer
    x = 2,248.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.