Home / 1,880.82-2,595.48-1,135.44

Finding the Fourth Proportional to 1,880.82, 2,595.48 and 1,135.44

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Solution

The fourth proportional to 1,880.82, 2,595.48 and 1,135.44 is: 1,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.82 : 2,595.48 = 1,135.44 : x
  2. Step 2: Convert to fraction form
    1,880.82/2,595.48 = 1,135.44/x
  3. Step 3: Cross multiply
    1,880.82x = 2,595.48 × 1,135.44
  4. Step 4: Simplify right side
    1,880.82x = 2,947,011.81
  5. Step 5: Solve for x
    x = 2,947,011.81/1,880.82
  6. Step 6: Final answer
    x = 1,566.88

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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.