Home / 7,520.78-10,371.03-4,536.02

Finding the Fourth Proportional to 7,520.78, 10,371.03 and 4,536.02

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Solution

The fourth proportional to 7,520.78, 10,371.03 and 4,536.02 is: 6,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.78 : 10,371.03 = 4,536.02 : x
  2. Step 2: Convert to fraction form
    7,520.78/10,371.03 = 4,536.02/x
  3. Step 3: Cross multiply
    7,520.78x = 10,371.03 × 4,536.02
  4. Step 4: Simplify right side
    7,520.78x = 47,043,199.50
  5. Step 5: Solve for x
    x = 47,043,199.50/7,520.78
  6. Step 6: Final answer
    x = 6,255.10

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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.