Home / 7,457.08-10,286.46-4,624.90

Finding the Fourth Proportional to 7,457.08, 10,286.46 and 4,624.90

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Solution

The fourth proportional to 7,457.08, 10,286.46 and 4,624.90 is: 6,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.08 : 10,286.46 = 4,624.90 : x
  2. Step 2: Convert to fraction form
    7,457.08/10,286.46 = 4,624.90/x
  3. Step 3: Cross multiply
    7,457.08x = 10,286.46 × 4,624.90
  4. Step 4: Simplify right side
    7,457.08x = 47,573,848.85
  5. Step 5: Solve for x
    x = 47,573,848.85/7,457.08
  6. Step 6: Final answer
    x = 6,379.69

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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.