Home / 4,015.77-5,541.80-2,422.50

Finding the Fourth Proportional to 4,015.77, 5,541.80 and 2,422.50

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Solution

The fourth proportional to 4,015.77, 5,541.80 and 2,422.50 is: 3,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.77 : 5,541.80 = 2,422.50 : x
  2. Step 2: Convert to fraction form
    4,015.77/5,541.80 = 2,422.50/x
  3. Step 3: Cross multiply
    4,015.77x = 5,541.80 × 2,422.50
  4. Step 4: Simplify right side
    4,015.77x = 13,425,010.50
  5. Step 5: Solve for x
    x = 13,425,010.50/4,015.77
  6. Step 6: Final answer
    x = 3,343.07

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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.