Home / 4,448.48-6,139.84-2,560.32

Finding the Fourth Proportional to 4,448.48, 6,139.84 and 2,560.32

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Solution

The fourth proportional to 4,448.48, 6,139.84 and 2,560.32 is: 3,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.48 : 6,139.84 = 2,560.32 : x
  2. Step 2: Convert to fraction form
    4,448.48/6,139.84 = 2,560.32/x
  3. Step 3: Cross multiply
    4,448.48x = 6,139.84 × 2,560.32
  4. Step 4: Simplify right side
    4,448.48x = 15,719,955.15
  5. Step 5: Solve for x
    x = 15,719,955.15/4,448.48
  6. Step 6: Final answer
    x = 3,533.78

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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.