Home / 7,235.70-9,985.34-4,251.66

Finding the Fourth Proportional to 7,235.70, 9,985.34 and 4,251.66

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Solution

The fourth proportional to 7,235.70, 9,985.34 and 4,251.66 is: 5,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.70 : 9,985.34 = 4,251.66 : x
  2. Step 2: Convert to fraction form
    7,235.70/9,985.34 = 4,251.66/x
  3. Step 3: Cross multiply
    7,235.70x = 9,985.34 × 4,251.66
  4. Step 4: Simplify right side
    7,235.70x = 42,454,270.66
  5. Step 5: Solve for x
    x = 42,454,270.66/7,235.70
  6. Step 6: Final answer
    x = 5,867.33

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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.