Home / 5,777.42-7,972.37-3,260.13

Finding the Fourth Proportional to 5,777.42, 7,972.37 and 3,260.13

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Solution

The fourth proportional to 5,777.42, 7,972.37 and 3,260.13 is: 4,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.42 : 7,972.37 = 3,260.13 : x
  2. Step 2: Convert to fraction form
    5,777.42/7,972.37 = 3,260.13/x
  3. Step 3: Cross multiply
    5,777.42x = 7,972.37 × 3,260.13
  4. Step 4: Simplify right side
    5,777.42x = 25,990,946.31
  5. Step 5: Solve for x
    x = 25,990,946.31/5,777.42
  6. Step 6: Final answer
    x = 4,498.72

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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.