Home / 7,002.18-10,503.05-2,840.96

Finding the Fourth Proportional to 7,002.18, 10,503.05 and 2,840.96

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Solution

The fourth proportional to 7,002.18, 10,503.05 and 2,840.96 is: 4,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.18 : 10,503.05 = 2,840.96 : x
  2. Step 2: Convert to fraction form
    7,002.18/10,503.05 = 2,840.96/x
  3. Step 3: Cross multiply
    7,002.18x = 10,503.05 × 2,840.96
  4. Step 4: Simplify right side
    7,002.18x = 29,838,678.21
  5. Step 5: Solve for x
    x = 29,838,678.21/7,002.18
  6. Step 6: Final answer
    x = 4,261.34

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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.