Home / 1,881.39-2,596.23-1,135.18

Finding the Fourth Proportional to 1,881.39, 2,596.23 and 1,135.18

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Solution

The fourth proportional to 1,881.39, 2,596.23 and 1,135.18 is: 1,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.39 : 2,596.23 = 1,135.18 : x
  2. Step 2: Convert to fraction form
    1,881.39/2,596.23 = 1,135.18/x
  3. Step 3: Cross multiply
    1,881.39x = 2,596.23 × 1,135.18
  4. Step 4: Simplify right side
    1,881.39x = 2,947,191.62
  5. Step 5: Solve for x
    x = 2,947,191.62/1,881.39
  6. Step 6: Final answer
    x = 1,566.49

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Half scale
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Double scale
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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.