Home / 3,547.90-4,896.20-1,954.65

Finding the Fourth Proportional to 3,547.90, 4,896.20 and 1,954.65

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Solution

The fourth proportional to 3,547.90, 4,896.20 and 1,954.65 is: 2,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.90 : 4,896.20 = 1,954.65 : x
  2. Step 2: Convert to fraction form
    3,547.90/4,896.20 = 1,954.65/x
  3. Step 3: Cross multiply
    3,547.90x = 4,896.20 × 1,954.65
  4. Step 4: Simplify right side
    3,547.90x = 9,570,357.33
  5. Step 5: Solve for x
    x = 9,570,357.33/3,547.90
  6. Step 6: Final answer
    x = 2,697.47

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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.