Home / 7,458.19-10,288.25-4,624.61

Finding the Fourth Proportional to 7,458.19, 10,288.25 and 4,624.61

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Solution

The fourth proportional to 7,458.19, 10,288.25 and 4,624.61 is: 6,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.19 : 10,288.25 = 4,624.61 : x
  2. Step 2: Convert to fraction form
    7,458.19/10,288.25 = 4,624.61/x
  3. Step 3: Cross multiply
    7,458.19x = 10,288.25 × 4,624.61
  4. Step 4: Simplify right side
    7,458.19x = 47,579,086.61
  5. Step 5: Solve for x
    x = 47,579,086.61/7,458.19
  6. Step 6: Final answer
    x = 6,379.44

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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.