Home / 5,153.32-7,109.22-3,056.68

Finding the Fourth Proportional to 5,153.32, 7,109.22 and 3,056.68

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Solution

The fourth proportional to 5,153.32, 7,109.22 and 3,056.68 is: 4,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.32 : 7,109.22 = 3,056.68 : x
  2. Step 2: Convert to fraction form
    5,153.32/7,109.22 = 3,056.68/x
  3. Step 3: Cross multiply
    5,153.32x = 7,109.22 × 3,056.68
  4. Step 4: Simplify right side
    5,153.32x = 21,730,610.59
  5. Step 5: Solve for x
    x = 21,730,610.59/5,153.32
  6. Step 6: Final answer
    x = 4,216.82

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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.