Home / 1,589.13-2,193.12-926.19

Finding the Fourth Proportional to 1,589.13, 2,193.12 and 926.19

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Solution

The fourth proportional to 1,589.13, 2,193.12 and 926.19 is: 1,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.13 : 2,193.12 = 926.19 : x
  2. Step 2: Convert to fraction form
    1,589.13/2,193.12 = 926.19/x
  3. Step 3: Cross multiply
    1,589.13x = 2,193.12 × 926.19
  4. Step 4: Simplify right side
    1,589.13x = 2,031,245.81
  5. Step 5: Solve for x
    x = 2,031,245.81/1,589.13
  6. Step 6: Final answer
    x = 1,278.21

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,590.13, 2,194.50 and 927.19
Similar ratio
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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.