Home / 1,589.59-2,193.56-926.47

Finding the Fourth Proportional to 1,589.59, 2,193.56 and 926.47

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Solution

The fourth proportional to 1,589.59, 2,193.56 and 926.47 is: 1,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.59 : 2,193.56 = 926.47 : x
  2. Step 2: Convert to fraction form
    1,589.59/2,193.56 = 926.47/x
  3. Step 3: Cross multiply
    1,589.59x = 2,193.56 × 926.47
  4. Step 4: Simplify right side
    1,589.59x = 2,032,256.57
  5. Step 5: Solve for x
    x = 2,032,256.57/1,589.59
  6. Step 6: Final answer
    x = 1,278.48

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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.