Home / 7,547.18-11,318.20-2,615.67

Finding the Fourth Proportional to 7,547.18, 11,318.20 and 2,615.67

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Solution

The fourth proportional to 7,547.18, 11,318.20 and 2,615.67 is: 3,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.18 : 11,318.20 = 2,615.67 : x
  2. Step 2: Convert to fraction form
    7,547.18/11,318.20 = 2,615.67/x
  3. Step 3: Cross multiply
    7,547.18x = 11,318.20 × 2,615.67
  4. Step 4: Simplify right side
    7,547.18x = 29,604,619.60
  5. Step 5: Solve for x
    x = 29,604,619.60/7,547.18
  6. Step 6: Final answer
    x = 3,922.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.