Home / 7,495.90-10,343.64-4,351.78

Finding the Fourth Proportional to 7,495.90, 10,343.64 and 4,351.78

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Solution

The fourth proportional to 7,495.90, 10,343.64 and 4,351.78 is: 6,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.90 : 10,343.64 = 4,351.78 : x
  2. Step 2: Convert to fraction form
    7,495.90/10,343.64 = 4,351.78/x
  3. Step 3: Cross multiply
    7,495.90x = 10,343.64 × 4,351.78
  4. Step 4: Simplify right side
    7,495.90x = 45,013,245.68
  5. Step 5: Solve for x
    x = 45,013,245.68/7,495.90
  6. Step 6: Final answer
    x = 6,005.05

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1.5x scale

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.