Home / 5,158.16-7,736.25-1,459.50

Finding the Fourth Proportional to 5,158.16, 7,736.25 and 1,459.50

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Solution

The fourth proportional to 5,158.16, 7,736.25 and 1,459.50 is: 2,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.16 : 7,736.25 = 1,459.50 : x
  2. Step 2: Convert to fraction form
    5,158.16/7,736.25 = 1,459.50/x
  3. Step 3: Cross multiply
    5,158.16x = 7,736.25 × 1,459.50
  4. Step 4: Simplify right side
    5,158.16x = 11,291,033.34
  5. Step 5: Solve for x
    x = 11,291,033.34/5,158.16
  6. Step 6: Final answer
    x = 2,188.97

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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.