Home / 4,122.06-5,685.84-2,548.50

Finding the Fourth Proportional to 4,122.06, 5,685.84 and 2,548.50

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Solution

The fourth proportional to 4,122.06, 5,685.84 and 2,548.50 is: 3,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.06 : 5,685.84 = 2,548.50 : x
  2. Step 2: Convert to fraction form
    4,122.06/5,685.84 = 2,548.50/x
  3. Step 3: Cross multiply
    4,122.06x = 5,685.84 × 2,548.50
  4. Step 4: Simplify right side
    4,122.06x = 14,490,363.24
  5. Step 5: Solve for x
    x = 14,490,363.24/4,122.06
  6. Step 6: Final answer
    x = 3,515.32

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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.