Home / 3,051.99-4,211.71-1,725.65

Finding the Fourth Proportional to 3,051.99, 4,211.71 and 1,725.65

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Solution

The fourth proportional to 3,051.99, 4,211.71 and 1,725.65 is: 2,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.99 : 4,211.71 = 1,725.65 : x
  2. Step 2: Convert to fraction form
    3,051.99/4,211.71 = 1,725.65/x
  3. Step 3: Cross multiply
    3,051.99x = 4,211.71 × 1,725.65
  4. Step 4: Simplify right side
    3,051.99x = 7,267,937.36
  5. Step 5: Solve for x
    x = 7,267,937.36/3,051.99
  6. Step 6: Final answer
    x = 2,381.38

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Half scale
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Double scale
Find fourth proportional to 3,052.99, 4,213.09 and 1,726.65
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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.