Home / 5,043.81-7,564.10-1,921.46

Finding the Fourth Proportional to 5,043.81, 7,564.10 and 1,921.46

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Solution

The fourth proportional to 5,043.81, 7,564.10 and 1,921.46 is: 2,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.81 : 7,564.10 = 1,921.46 : x
  2. Step 2: Convert to fraction form
    5,043.81/7,564.10 = 1,921.46/x
  3. Step 3: Cross multiply
    5,043.81x = 7,564.10 × 1,921.46
  4. Step 4: Simplify right side
    5,043.81x = 14,534,124.89
  5. Step 5: Solve for x
    x = 14,534,124.89/5,043.81
  6. Step 6: Final answer
    x = 2,881.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.