Home / 7,336.40-11,000.55-2,948.90

Finding the Fourth Proportional to 7,336.40, 11,000.55 and 2,948.90

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Solution

The fourth proportional to 7,336.40, 11,000.55 and 2,948.90 is: 4,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.40 : 11,000.55 = 2,948.90 : x
  2. Step 2: Convert to fraction form
    7,336.40/11,000.55 = 2,948.90/x
  3. Step 3: Cross multiply
    7,336.40x = 11,000.55 × 2,948.90
  4. Step 4: Simplify right side
    7,336.40x = 32,439,521.90
  5. Step 5: Solve for x
    x = 32,439,521.90/7,336.40
  6. Step 6: Final answer
    x = 4,421.72

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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.