Home / 5,133.42-7,079.04-4,135.50

Finding the Fourth Proportional to 5,133.42, 7,079.04 and 4,135.50

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Solution

The fourth proportional to 5,133.42, 7,079.04 and 4,135.50 is: 5,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.42 : 7,079.04 = 4,135.50 : x
  2. Step 2: Convert to fraction form
    5,133.42/7,079.04 = 4,135.50/x
  3. Step 3: Cross multiply
    5,133.42x = 7,079.04 × 4,135.50
  4. Step 4: Simplify right side
    5,133.42x = 29,275,369.92
  5. Step 5: Solve for x
    x = 29,275,369.92/5,133.42
  6. Step 6: Final answer
    x = 5,702.90

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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.