Home / 4,574.12-6,861.20-1,111.38

Finding the Fourth Proportional to 4,574.12, 6,861.20 and 1,111.38

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Solution

The fourth proportional to 4,574.12, 6,861.20 and 1,111.38 is: 1,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.12 : 6,861.20 = 1,111.38 : x
  2. Step 2: Convert to fraction form
    4,574.12/6,861.20 = 1,111.38/x
  3. Step 3: Cross multiply
    4,574.12x = 6,861.20 × 1,111.38
  4. Step 4: Simplify right side
    4,574.12x = 7,625,400.46
  5. Step 5: Solve for x
    x = 7,625,400.46/4,574.12
  6. Step 6: Final answer
    x = 1,667.07

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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.