Home / 4,615.42-6,368.73-2,913.28

Finding the Fourth Proportional to 4,615.42, 6,368.73 and 2,913.28

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Solution

The fourth proportional to 4,615.42, 6,368.73 and 2,913.28 is: 4,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.42 : 6,368.73 = 2,913.28 : x
  2. Step 2: Convert to fraction form
    4,615.42/6,368.73 = 2,913.28/x
  3. Step 3: Cross multiply
    4,615.42x = 6,368.73 × 2,913.28
  4. Step 4: Simplify right side
    4,615.42x = 18,553,893.73
  5. Step 5: Solve for x
    x = 18,553,893.73/4,615.42
  6. Step 6: Final answer
    x = 4,019.98

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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.