Home / 7,502.58-10,353.48-4,145.37

Finding the Fourth Proportional to 7,502.58, 10,353.48 and 4,145.37

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Solution

The fourth proportional to 7,502.58, 10,353.48 and 4,145.37 is: 5,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.58 : 10,353.48 = 4,145.37 : x
  2. Step 2: Convert to fraction form
    7,502.58/10,353.48 = 4,145.37/x
  3. Step 3: Cross multiply
    7,502.58x = 10,353.48 × 4,145.37
  4. Step 4: Simplify right side
    7,502.58x = 42,919,005.39
  5. Step 5: Solve for x
    x = 42,919,005.39/7,502.58
  6. Step 6: Final answer
    x = 5,720.57

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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.