Home / 1,772.91-2,444.80-1,175.19

Finding the Fourth Proportional to 1,772.91, 2,444.80 and 1,175.19

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Solution

The fourth proportional to 1,772.91, 2,444.80 and 1,175.19 is: 1,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.91 : 2,444.80 = 1,175.19 : x
  2. Step 2: Convert to fraction form
    1,772.91/2,444.80 = 1,175.19/x
  3. Step 3: Cross multiply
    1,772.91x = 2,444.80 × 1,175.19
  4. Step 4: Simplify right side
    1,772.91x = 2,873,106.71
  5. Step 5: Solve for x
    x = 2,873,106.71/1,772.91
  6. Step 6: Final answer
    x = 1,620.56

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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.