Home / 1,631.33-2,444.80-1,190.51

Finding the Fourth Proportional to 1,631.33, 2,444.80 and 1,190.51

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Solution

The fourth proportional to 1,631.33, 2,444.80 and 1,190.51 is: 1,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.33 : 2,444.80 = 1,190.51 : x
  2. Step 2: Convert to fraction form
    1,631.33/2,444.80 = 1,190.51/x
  3. Step 3: Cross multiply
    1,631.33x = 2,444.80 × 1,190.51
  4. Step 4: Simplify right side
    1,631.33x = 2,910,552.90
  5. Step 5: Solve for x
    x = 2,910,552.90/1,631.33
  6. Step 6: Final answer
    x = 1,784.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.