Home / 4,284.40-5,905.56-3,497.20

Finding the Fourth Proportional to 4,284.40, 5,905.56 and 3,497.20

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Solution

The fourth proportional to 4,284.40, 5,905.56 and 3,497.20 is: 4,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.40 : 5,905.56 = 3,497.20 : x
  2. Step 2: Convert to fraction form
    4,284.40/5,905.56 = 3,497.20/x
  3. Step 3: Cross multiply
    4,284.40x = 5,905.56 × 3,497.20
  4. Step 4: Simplify right side
    4,284.40x = 20,652,924.43
  5. Step 5: Solve for x
    x = 20,652,924.43/4,284.40
  6. Step 6: Final answer
    x = 4,820.49

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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.