Home / 4,125.12-6,187.44-1,047.12

Finding the Fourth Proportional to 4,125.12, 6,187.44 and 1,047.12

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Solution

The fourth proportional to 4,125.12, 6,187.44 and 1,047.12 is: 1,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.12 : 6,187.44 = 1,047.12 : x
  2. Step 2: Convert to fraction form
    4,125.12/6,187.44 = 1,047.12/x
  3. Step 3: Cross multiply
    4,125.12x = 6,187.44 × 1,047.12
  4. Step 4: Simplify right side
    4,125.12x = 6,478,992.17
  5. Step 5: Solve for x
    x = 6,478,992.17/4,125.12
  6. Step 6: Final answer
    x = 1,570.62

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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.