Home / 1,933.53-2,668.38-1,137.10

Finding the Fourth Proportional to 1,933.53, 2,668.38 and 1,137.10

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Solution

The fourth proportional to 1,933.53, 2,668.38 and 1,137.10 is: 1,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.53 : 2,668.38 = 1,137.10 : x
  2. Step 2: Convert to fraction form
    1,933.53/2,668.38 = 1,137.10/x
  3. Step 3: Cross multiply
    1,933.53x = 2,668.38 × 1,137.10
  4. Step 4: Simplify right side
    1,933.53x = 3,034,214.90
  5. Step 5: Solve for x
    x = 3,034,214.90/1,933.53
  6. Step 6: Final answer
    x = 1,569.26

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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.