Home / 5,729.08-7,907.34-5,284.39

Finding the Fourth Proportional to 5,729.08, 7,907.34 and 5,284.39

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Solution

The fourth proportional to 5,729.08, 7,907.34 and 5,284.39 is: 7,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.08 : 7,907.34 = 5,284.39 : x
  2. Step 2: Convert to fraction form
    5,729.08/7,907.34 = 5,284.39/x
  3. Step 3: Cross multiply
    5,729.08x = 7,907.34 × 5,284.39
  4. Step 4: Simplify right side
    5,729.08x = 41,785,468.42
  5. Step 5: Solve for x
    x = 41,785,468.42/5,729.08
  6. Step 6: Final answer
    x = 7,293.57

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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.