Home / 1,623.94-2,238.51-1,536.46

Finding the Fourth Proportional to 1,623.94, 2,238.51 and 1,536.46

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Solution

The fourth proportional to 1,623.94, 2,238.51 and 1,536.46 is: 2,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.94 : 2,238.51 = 1,536.46 : x
  2. Step 2: Convert to fraction form
    1,623.94/2,238.51 = 1,536.46/x
  3. Step 3: Cross multiply
    1,623.94x = 2,238.51 × 1,536.46
  4. Step 4: Simplify right side
    1,623.94x = 3,439,381.07
  5. Step 5: Solve for x
    x = 3,439,381.07/1,623.94
  6. Step 6: Final answer
    x = 2,117.92

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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.