Home / 1,623.24-2,237.22-1,292.76

Finding the Fourth Proportional to 1,623.24, 2,237.22 and 1,292.76

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Solution

The fourth proportional to 1,623.24, 2,237.22 and 1,292.76 is: 1,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.24 : 2,237.22 = 1,292.76 : x
  2. Step 2: Convert to fraction form
    1,623.24/2,237.22 = 1,292.76/x
  3. Step 3: Cross multiply
    1,623.24x = 2,237.22 × 1,292.76
  4. Step 4: Simplify right side
    1,623.24x = 2,892,188.53
  5. Step 5: Solve for x
    x = 2,892,188.53/1,623.24
  6. Step 6: Final answer
    x = 1,781.74

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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.