Home / 4,902.48-7,354.26-1,440

Finding the Fourth Proportional to 4,902.48, 7,354.26 and 1,440

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Solution

The fourth proportional to 4,902.48, 7,354.26 and 1,440 is: 2,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.48 : 7,354.26 = 1,440 : x
  2. Step 2: Convert to fraction form
    4,902.48/7,354.26 = 1,440/x
  3. Step 3: Cross multiply
    4,902.48x = 7,354.26 × 1,440
  4. Step 4: Simplify right side
    4,902.48x = 10,590,134.40
  5. Step 5: Solve for x
    x = 10,590,134.40/4,902.48
  6. Step 6: Final answer
    x = 2,160.16

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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.