Home / 2,913.47-4,020.68-1,654.55

Finding the Fourth Proportional to 2,913.47, 4,020.68 and 1,654.55

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Solution

The fourth proportional to 2,913.47, 4,020.68 and 1,654.55 is: 2,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.47 : 4,020.68 = 1,654.55 : x
  2. Step 2: Convert to fraction form
    2,913.47/4,020.68 = 1,654.55/x
  3. Step 3: Cross multiply
    2,913.47x = 4,020.68 × 1,654.55
  4. Step 4: Simplify right side
    2,913.47x = 6,652,407.82
  5. Step 5: Solve for x
    x = 6,652,407.82/2,913.47
  6. Step 6: Final answer
    x = 2,283.33

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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.