Home / 7,719.16-10,652.46-4,182.38

Finding the Fourth Proportional to 7,719.16, 10,652.46 and 4,182.38

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Solution

The fourth proportional to 7,719.16, 10,652.46 and 4,182.38 is: 5,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.16 : 10,652.46 = 4,182.38 : x
  2. Step 2: Convert to fraction form
    7,719.16/10,652.46 = 4,182.38/x
  3. Step 3: Cross multiply
    7,719.16x = 10,652.46 × 4,182.38
  4. Step 4: Simplify right side
    7,719.16x = 44,552,635.65
  5. Step 5: Solve for x
    x = 44,552,635.65/7,719.16
  6. Step 6: Final answer
    x = 5,771.69

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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.