Home / 3,925.02-5,416.48-2,132.46

Finding the Fourth Proportional to 3,925.02, 5,416.48 and 2,132.46

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Solution

The fourth proportional to 3,925.02, 5,416.48 and 2,132.46 is: 2,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.02 : 5,416.48 = 2,132.46 : x
  2. Step 2: Convert to fraction form
    3,925.02/5,416.48 = 2,132.46/x
  3. Step 3: Cross multiply
    3,925.02x = 5,416.48 × 2,132.46
  4. Step 4: Simplify right side
    3,925.02x = 11,550,426.94
  5. Step 5: Solve for x
    x = 11,550,426.94/3,925.02
  6. Step 6: Final answer
    x = 2,942.77

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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.