Home / 5,140.99-7,094.70-3,152.65

Finding the Fourth Proportional to 5,140.99, 7,094.70 and 3,152.65

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Solution

The fourth proportional to 5,140.99, 7,094.70 and 3,152.65 is: 4,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.99 : 7,094.70 = 3,152.65 : x
  2. Step 2: Convert to fraction form
    5,140.99/7,094.70 = 3,152.65/x
  3. Step 3: Cross multiply
    5,140.99x = 7,094.70 × 3,152.65
  4. Step 4: Simplify right side
    5,140.99x = 22,367,086.00
  5. Step 5: Solve for x
    x = 22,367,086.00/5,140.99
  6. Step 6: Final answer
    x = 4,350.73

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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.