Home / 4,647.12-6,970.72-3,721.52

Finding the Fourth Proportional to 4,647.12, 6,970.72 and 3,721.52

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Solution

The fourth proportional to 4,647.12, 6,970.72 and 3,721.52 is: 5,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.12 : 6,970.72 = 3,721.52 : x
  2. Step 2: Convert to fraction form
    4,647.12/6,970.72 = 3,721.52/x
  3. Step 3: Cross multiply
    4,647.12x = 6,970.72 × 3,721.52
  4. Step 4: Simplify right side
    4,647.12x = 25,941,673.89
  5. Step 5: Solve for x
    x = 25,941,673.89/4,647.12
  6. Step 6: Final answer
    x = 5,582.31

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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.