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Finding the Fourth Proportional to 5,697.77, 7,859.76 and 3,339.45

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Solution

The fourth proportional to 5,697.77, 7,859.76 and 3,339.45 is: 4,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.77 : 7,859.76 = 3,339.45 : x
  2. Step 2: Convert to fraction form
    5,697.77/7,859.76 = 3,339.45/x
  3. Step 3: Cross multiply
    5,697.77x = 7,859.76 × 3,339.45
  4. Step 4: Simplify right side
    5,697.77x = 26,247,275.53
  5. Step 5: Solve for x
    x = 26,247,275.53/5,697.77
  6. Step 6: Final answer
    x = 4,606.59

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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.