Home / 3,570.54-4,927.40-1,998.65

Finding the Fourth Proportional to 3,570.54, 4,927.40 and 1,998.65

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Solution

The fourth proportional to 3,570.54, 4,927.40 and 1,998.65 is: 2,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.54 : 4,927.40 = 1,998.65 : x
  2. Step 2: Convert to fraction form
    3,570.54/4,927.40 = 1,998.65/x
  3. Step 3: Cross multiply
    3,570.54x = 4,927.40 × 1,998.65
  4. Step 4: Simplify right side
    3,570.54x = 9,848,113.38
  5. Step 5: Solve for x
    x = 9,848,113.38/3,570.54
  6. Step 6: Final answer
    x = 2,758.16

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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.