Home / 5,281.47-7,929.97-2,946.04

Finding the Fourth Proportional to 5,281.47, 7,929.97 and 2,946.04

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Solution

The fourth proportional to 5,281.47, 7,929.97 and 2,946.04 is: 4,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.47 : 7,929.97 = 2,946.04 : x
  2. Step 2: Convert to fraction form
    5,281.47/7,929.97 = 2,946.04/x
  3. Step 3: Cross multiply
    5,281.47x = 7,929.97 × 2,946.04
  4. Step 4: Simplify right side
    5,281.47x = 23,361,981.63
  5. Step 5: Solve for x
    x = 23,361,981.63/5,281.47
  6. Step 6: Final answer
    x = 4,423.39

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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.