Home / 4,574.46-6,861.64-1,111.71

Finding the Fourth Proportional to 4,574.46, 6,861.64 and 1,111.71

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Solution

The fourth proportional to 4,574.46, 6,861.64 and 1,111.71 is: 1,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.46 : 6,861.64 = 1,111.71 : x
  2. Step 2: Convert to fraction form
    4,574.46/6,861.64 = 1,111.71/x
  3. Step 3: Cross multiply
    4,574.46x = 6,861.64 × 1,111.71
  4. Step 4: Simplify right side
    4,574.46x = 7,628,153.80
  5. Step 5: Solve for x
    x = 7,628,153.80/4,574.46
  6. Step 6: Final answer
    x = 1,667.55

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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.