Home / 7,710.07-10,639.92-4,173.31

Finding the Fourth Proportional to 7,710.07, 10,639.92 and 4,173.31

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Solution

The fourth proportional to 7,710.07, 10,639.92 and 4,173.31 is: 5,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.07 : 10,639.92 = 4,173.31 : x
  2. Step 2: Convert to fraction form
    7,710.07/10,639.92 = 4,173.31/x
  3. Step 3: Cross multiply
    7,710.07x = 10,639.92 × 4,173.31
  4. Step 4: Simplify right side
    7,710.07x = 44,403,684.54
  5. Step 5: Solve for x
    x = 44,403,684.54/7,710.07
  6. Step 6: Final answer
    x = 5,759.18

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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.