Home / 6,239.16-8,591.67-5,575.77

Finding the Fourth Proportional to 6,239.16, 8,591.67 and 5,575.77

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Solution

The fourth proportional to 6,239.16, 8,591.67 and 5,575.77 is: 7,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.16 : 8,591.67 = 5,575.77 : x
  2. Step 2: Convert to fraction form
    6,239.16/8,591.67 = 5,575.77/x
  3. Step 3: Cross multiply
    6,239.16x = 8,591.67 × 5,575.77
  4. Step 4: Simplify right side
    6,239.16x = 47,905,175.84
  5. Step 5: Solve for x
    x = 47,905,175.84/6,239.16
  6. Step 6: Final answer
    x = 7,678.15

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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.