Home / 7,575.29-10,453.59-4,218.02

Finding the Fourth Proportional to 7,575.29, 10,453.59 and 4,218.02

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Solution

The fourth proportional to 7,575.29, 10,453.59 and 4,218.02 is: 5,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.29 : 10,453.59 = 4,218.02 : x
  2. Step 2: Convert to fraction form
    7,575.29/10,453.59 = 4,218.02/x
  3. Step 3: Cross multiply
    7,575.29x = 10,453.59 × 4,218.02
  4. Step 4: Simplify right side
    7,575.29x = 44,093,399.42
  5. Step 5: Solve for x
    x = 44,093,399.42/7,575.29
  6. Step 6: Final answer
    x = 5,820.69

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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.