Home / 5,742.96-7,925.22-3,385.86

Finding the Fourth Proportional to 5,742.96, 7,925.22 and 3,385.86

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Solution

The fourth proportional to 5,742.96, 7,925.22 and 3,385.86 is: 4,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.96 : 7,925.22 = 3,385.86 : x
  2. Step 2: Convert to fraction form
    5,742.96/7,925.22 = 3,385.86/x
  3. Step 3: Cross multiply
    5,742.96x = 7,925.22 × 3,385.86
  4. Step 4: Simplify right side
    5,742.96x = 26,833,685.39
  5. Step 5: Solve for x
    x = 26,833,685.39/5,742.96
  6. Step 6: Final answer
    x = 4,672.45

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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.