Home / 3,534.07-4,878.57-2,342.20

Finding the Fourth Proportional to 3,534.07, 4,878.57 and 2,342.20

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Solution

The fourth proportional to 3,534.07, 4,878.57 and 2,342.20 is: 3,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.07 : 4,878.57 = 2,342.20 : x
  2. Step 2: Convert to fraction form
    3,534.07/4,878.57 = 2,342.20/x
  3. Step 3: Cross multiply
    3,534.07x = 4,878.57 × 2,342.20
  4. Step 4: Simplify right side
    3,534.07x = 11,426,586.65
  5. Step 5: Solve for x
    x = 11,426,586.65/3,534.07
  6. Step 6: Final answer
    x = 3,233.27

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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.