Home / 7,265.14-10,025.70-4,121.32

Finding the Fourth Proportional to 7,265.14, 10,025.70 and 4,121.32

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Solution

The fourth proportional to 7,265.14, 10,025.70 and 4,121.32 is: 5,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.14 : 10,025.70 = 4,121.32 : x
  2. Step 2: Convert to fraction form
    7,265.14/10,025.70 = 4,121.32/x
  3. Step 3: Cross multiply
    7,265.14x = 10,025.70 × 4,121.32
  4. Step 4: Simplify right side
    7,265.14x = 41,319,117.92
  5. Step 5: Solve for x
    x = 41,319,117.92/7,265.14
  6. Step 6: Final answer
    x = 5,687.31

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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.