Home / 4,995.84-7,489.68-3,432

Finding the Fourth Proportional to 4,995.84, 7,489.68 and 3,432

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Solution

The fourth proportional to 4,995.84, 7,489.68 and 3,432 is: 5,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.84 : 7,489.68 = 3,432 : x
  2. Step 2: Convert to fraction form
    4,995.84/7,489.68 = 3,432/x
  3. Step 3: Cross multiply
    4,995.84x = 7,489.68 × 3,432
  4. Step 4: Simplify right side
    4,995.84x = 25,704,581.76
  5. Step 5: Solve for x
    x = 25,704,581.76/4,995.84
  6. Step 6: Final answer
    x = 5,145.20

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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.