Home / 1,923.18-2,653.25-1,176.76

Finding the Fourth Proportional to 1,923.18, 2,653.25 and 1,176.76

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Solution

The fourth proportional to 1,923.18, 2,653.25 and 1,176.76 is: 1,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.18 : 2,653.25 = 1,176.76 : x
  2. Step 2: Convert to fraction form
    1,923.18/2,653.25 = 1,176.76/x
  3. Step 3: Cross multiply
    1,923.18x = 2,653.25 × 1,176.76
  4. Step 4: Simplify right side
    1,923.18x = 3,122,238.47
  5. Step 5: Solve for x
    x = 3,122,238.47/1,923.18
  6. Step 6: Final answer
    x = 1,623.48

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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.