Home / 7,345.26-10,135.98-4,201.47

Finding the Fourth Proportional to 7,345.26, 10,135.98 and 4,201.47

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Solution

The fourth proportional to 7,345.26, 10,135.98 and 4,201.47 is: 5,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.26 : 10,135.98 = 4,201.47 : x
  2. Step 2: Convert to fraction form
    7,345.26/10,135.98 = 4,201.47/x
  3. Step 3: Cross multiply
    7,345.26x = 10,135.98 × 4,201.47
  4. Step 4: Simplify right side
    7,345.26x = 42,586,015.89
  5. Step 5: Solve for x
    x = 42,586,015.89/7,345.26
  6. Step 6: Final answer
    x = 5,797.75

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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.