Home / 7,497.90-10,346.40-4,353.78

Finding the Fourth Proportional to 7,497.90, 10,346.40 and 4,353.78

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Solution

The fourth proportional to 7,497.90, 10,346.40 and 4,353.78 is: 6,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.90 : 10,346.40 = 4,353.78 : x
  2. Step 2: Convert to fraction form
    7,497.90/10,346.40 = 4,353.78/x
  3. Step 3: Cross multiply
    7,497.90x = 10,346.40 × 4,353.78
  4. Step 4: Simplify right side
    7,497.90x = 45,045,949.39
  5. Step 5: Solve for x
    x = 45,045,949.39/7,497.90
  6. Step 6: Final answer
    x = 6,007.81

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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.