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Finding the Fourth Proportional to 5,030, 7,545 and 1,382

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Solution

The fourth proportional to 5,030, 7,545 and 1,382 is: 2,073

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030 : 7,545 = 1,382 : x
  2. Step 2: Convert to fraction form
    5,030/7,545 = 1,382/x
  3. Step 3: Cross multiply
    5,030x = 7,545 × 1,382
  4. Step 4: Simplify right side
    5,030x = 10,427,190
  5. Step 5: Solve for x
    x = 10,427,190/5,030
  6. Step 6: Final answer
    x = 2,073

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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.