Home / 5,088.78-7,636.01-2,748.74

Finding the Fourth Proportional to 5,088.78, 7,636.01 and 2,748.74

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Solution

The fourth proportional to 5,088.78, 7,636.01 and 2,748.74 is: 4,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.78 : 7,636.01 = 2,748.74 : x
  2. Step 2: Convert to fraction form
    5,088.78/7,636.01 = 2,748.74/x
  3. Step 3: Cross multiply
    5,088.78x = 7,636.01 × 2,748.74
  4. Step 4: Simplify right side
    5,088.78x = 20,989,354.20
  5. Step 5: Solve for x
    x = 20,989,354.20/5,088.78
  6. Step 6: Final answer
    x = 4,124.63

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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.