Home / 5,777.06-7,972.35-3,124.47

Finding the Fourth Proportional to 5,777.06, 7,972.35 and 3,124.47

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Solution

The fourth proportional to 5,777.06, 7,972.35 and 3,124.47 is: 4,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.06 : 7,972.35 = 3,124.47 : x
  2. Step 2: Convert to fraction form
    5,777.06/7,972.35 = 3,124.47/x
  3. Step 3: Cross multiply
    5,777.06x = 7,972.35 × 3,124.47
  4. Step 4: Simplify right side
    5,777.06x = 24,909,352.78
  5. Step 5: Solve for x
    x = 24,909,352.78/5,777.06
  6. Step 6: Final answer
    x = 4,311.77

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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.