Home / 1,589.63-2,193.13-926.33

Finding the Fourth Proportional to 1,589.63, 2,193.13 and 926.33

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Solution

The fourth proportional to 1,589.63, 2,193.13 and 926.33 is: 1,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.63 : 2,193.13 = 926.33 : x
  2. Step 2: Convert to fraction form
    1,589.63/2,193.13 = 926.33/x
  3. Step 3: Cross multiply
    1,589.63x = 2,193.13 × 926.33
  4. Step 4: Simplify right side
    1,589.63x = 2,031,565.28
  5. Step 5: Solve for x
    x = 2,031,565.28/1,589.63
  6. Step 6: Final answer
    x = 1,278.02

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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.