Home / 7,402.02-11,105.04-3,242.40

Finding the Fourth Proportional to 7,402.02, 11,105.04 and 3,242.40

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Solution

The fourth proportional to 7,402.02, 11,105.04 and 3,242.40 is: 4,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.02 : 11,105.04 = 3,242.40 : x
  2. Step 2: Convert to fraction form
    7,402.02/11,105.04 = 3,242.40/x
  3. Step 3: Cross multiply
    7,402.02x = 11,105.04 × 3,242.40
  4. Step 4: Simplify right side
    7,402.02x = 36,006,981.70
  5. Step 5: Solve for x
    x = 36,006,981.70/7,402.02
  6. Step 6: Final answer
    x = 4,864.48

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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.