Home / 7,957.18-10,980.75-4,420.27

Finding the Fourth Proportional to 7,957.18, 10,980.75 and 4,420.27

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Solution

The fourth proportional to 7,957.18, 10,980.75 and 4,420.27 is: 6,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.18 : 10,980.75 = 4,420.27 : x
  2. Step 2: Convert to fraction form
    7,957.18/10,980.75 = 4,420.27/x
  3. Step 3: Cross multiply
    7,957.18x = 10,980.75 × 4,420.27
  4. Step 4: Simplify right side
    7,957.18x = 48,537,879.80
  5. Step 5: Solve for x
    x = 48,537,879.80/7,957.18
  6. Step 6: Final answer
    x = 6,099.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.