Home / 4,929.93-7,390.26-2,430.15

Finding the Fourth Proportional to 4,929.93, 7,390.26 and 2,430.15

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Solution

The fourth proportional to 4,929.93, 7,390.26 and 2,430.15 is: 3,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.93 : 7,390.26 = 2,430.15 : x
  2. Step 2: Convert to fraction form
    4,929.93/7,390.26 = 2,430.15/x
  3. Step 3: Cross multiply
    4,929.93x = 7,390.26 × 2,430.15
  4. Step 4: Simplify right side
    4,929.93x = 17,959,440.34
  5. Step 5: Solve for x
    x = 17,959,440.34/4,929.93
  6. Step 6: Final answer
    x = 3,642.94

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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.