Home / 6,130.68-8,460.36-3,772.32

Finding the Fourth Proportional to 6,130.68, 8,460.36 and 3,772.32

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Solution

The fourth proportional to 6,130.68, 8,460.36 and 3,772.32 is: 5,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.68 : 8,460.36 = 3,772.32 : x
  2. Step 2: Convert to fraction form
    6,130.68/8,460.36 = 3,772.32/x
  3. Step 3: Cross multiply
    6,130.68x = 8,460.36 × 3,772.32
  4. Step 4: Simplify right side
    6,130.68x = 31,915,185.24
  5. Step 5: Solve for x
    x = 31,915,185.24/6,130.68
  6. Step 6: Final answer
    x = 5,205.81

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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.