Home / 5,091.61-7,635.91-1,533.58

Finding the Fourth Proportional to 5,091.61, 7,635.91 and 1,533.58

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Solution

The fourth proportional to 5,091.61, 7,635.91 and 1,533.58 is: 2,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.61 : 7,635.91 = 1,533.58 : x
  2. Step 2: Convert to fraction form
    5,091.61/7,635.91 = 1,533.58/x
  3. Step 3: Cross multiply
    5,091.61x = 7,635.91 × 1,533.58
  4. Step 4: Simplify right side
    5,091.61x = 11,710,273.13
  5. Step 5: Solve for x
    x = 11,710,273.13/5,091.61
  6. Step 6: Final answer
    x = 2,299.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.