Home / 1,150.38-1,731.84-1,048.32

Finding the Fourth Proportional to 1,150.38, 1,731.84 and 1,048.32

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Solution

The fourth proportional to 1,150.38, 1,731.84 and 1,048.32 is: 1,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.38 : 1,731.84 = 1,048.32 : x
  2. Step 2: Convert to fraction form
    1,150.38/1,731.84 = 1,048.32/x
  3. Step 3: Cross multiply
    1,150.38x = 1,731.84 × 1,048.32
  4. Step 4: Simplify right side
    1,150.38x = 1,815,522.51
  5. Step 5: Solve for x
    x = 1,815,522.51/1,150.38
  6. Step 6: Final answer
    x = 1,578.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.