Home / 4,047.31-5,585.14-2,254.75

Finding the Fourth Proportional to 4,047.31, 5,585.14 and 2,254.75

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Solution

The fourth proportional to 4,047.31, 5,585.14 and 2,254.75 is: 3,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.31 : 5,585.14 = 2,254.75 : x
  2. Step 2: Convert to fraction form
    4,047.31/5,585.14 = 2,254.75/x
  3. Step 3: Cross multiply
    4,047.31x = 5,585.14 × 2,254.75
  4. Step 4: Simplify right side
    4,047.31x = 12,593,074.82
  5. Step 5: Solve for x
    x = 12,593,074.82/4,047.31
  6. Step 6: Final answer
    x = 3,111.47

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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.