Home / 7,360.64-10,150.70-5,679.38

Finding the Fourth Proportional to 7,360.64, 10,150.70 and 5,679.38

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Solution

The fourth proportional to 7,360.64, 10,150.70 and 5,679.38 is: 7,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.64 : 10,150.70 = 5,679.38 : x
  2. Step 2: Convert to fraction form
    7,360.64/10,150.70 = 5,679.38/x
  3. Step 3: Cross multiply
    7,360.64x = 10,150.70 × 5,679.38
  4. Step 4: Simplify right side
    7,360.64x = 57,649,682.57
  5. Step 5: Solve for x
    x = 57,649,682.57/7,360.64
  6. Step 6: Final answer
    x = 7,832.16

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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.