Home / 7,135.60-9,846.84-4,151.52

Finding the Fourth Proportional to 7,135.60, 9,846.84 and 4,151.52

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Solution

The fourth proportional to 7,135.60, 9,846.84 and 4,151.52 is: 5,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.60 : 9,846.84 = 4,151.52 : x
  2. Step 2: Convert to fraction form
    7,135.60/9,846.84 = 4,151.52/x
  3. Step 3: Cross multiply
    7,135.60x = 9,846.84 × 4,151.52
  4. Step 4: Simplify right side
    7,135.60x = 40,879,353.20
  5. Step 5: Solve for x
    x = 40,879,353.20/7,135.60
  6. Step 6: Final answer
    x = 5,728.93

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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.