Home / 7,362.78-10,160.53-4,005.63

Finding the Fourth Proportional to 7,362.78, 10,160.53 and 4,005.63

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Solution

The fourth proportional to 7,362.78, 10,160.53 and 4,005.63 is: 5,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.78 : 10,160.53 = 4,005.63 : x
  2. Step 2: Convert to fraction form
    7,362.78/10,160.53 = 4,005.63/x
  3. Step 3: Cross multiply
    7,362.78x = 10,160.53 × 4,005.63
  4. Step 4: Simplify right side
    7,362.78x = 40,699,272.98
  5. Step 5: Solve for x
    x = 40,699,272.98/7,362.78
  6. Step 6: Final answer
    x = 5,527.70

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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.