Home / 7,515.37-10,370.41-4,158.10

Finding the Fourth Proportional to 7,515.37, 10,370.41 and 4,158.10

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Solution

The fourth proportional to 7,515.37, 10,370.41 and 4,158.10 is: 5,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.37 : 10,370.41 = 4,158.10 : x
  2. Step 2: Convert to fraction form
    7,515.37/10,370.41 = 4,158.10/x
  3. Step 3: Cross multiply
    7,515.37x = 10,370.41 × 4,158.10
  4. Step 4: Simplify right side
    7,515.37x = 43,121,201.82
  5. Step 5: Solve for x
    x = 43,121,201.82/7,515.37
  6. Step 6: Final answer
    x = 5,737.74

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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.