Home / 4,966.55-6,853.96-2,812.92

Finding the Fourth Proportional to 4,966.55, 6,853.96 and 2,812.92

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Solution

The fourth proportional to 4,966.55, 6,853.96 and 2,812.92 is: 3,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.55 : 6,853.96 = 2,812.92 : x
  2. Step 2: Convert to fraction form
    4,966.55/6,853.96 = 2,812.92/x
  3. Step 3: Cross multiply
    4,966.55x = 6,853.96 × 2,812.92
  4. Step 4: Simplify right side
    4,966.55x = 19,279,641.16
  5. Step 5: Solve for x
    x = 19,279,641.16/4,966.55
  6. Step 6: Final answer
    x = 3,881.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.