Home / 2,180.08-3,008.44-1,248.52

Finding the Fourth Proportional to 2,180.08, 3,008.44 and 1,248.52

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Solution

The fourth proportional to 2,180.08, 3,008.44 and 1,248.52 is: 1,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.08 : 3,008.44 = 1,248.52 : x
  2. Step 2: Convert to fraction form
    2,180.08/3,008.44 = 1,248.52/x
  3. Step 3: Cross multiply
    2,180.08x = 3,008.44 × 1,248.52
  4. Step 4: Simplify right side
    2,180.08x = 3,756,097.51
  5. Step 5: Solve for x
    x = 3,756,097.51/2,180.08
  6. Step 6: Final answer
    x = 1,722.92

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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.