Home / 7,342.44-10,133.07-4,155.74

Finding the Fourth Proportional to 7,342.44, 10,133.07 and 4,155.74

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Solution

The fourth proportional to 7,342.44, 10,133.07 and 4,155.74 is: 5,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.44 : 10,133.07 = 4,155.74 : x
  2. Step 2: Convert to fraction form
    7,342.44/10,133.07 = 4,155.74/x
  3. Step 3: Cross multiply
    7,342.44x = 10,133.07 × 4,155.74
  4. Step 4: Simplify right side
    7,342.44x = 42,110,338.07
  5. Step 5: Solve for x
    x = 42,110,338.07/7,342.44
  6. Step 6: Final answer
    x = 5,735.19

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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.