Home / 5,051.17-6,970.83-2,812.96

Finding the Fourth Proportional to 5,051.17, 6,970.83 and 2,812.96

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Solution

The fourth proportional to 5,051.17, 6,970.83 and 2,812.96 is: 3,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.17 : 6,970.83 = 2,812.96 : x
  2. Step 2: Convert to fraction form
    5,051.17/6,970.83 = 2,812.96/x
  3. Step 3: Cross multiply
    5,051.17x = 6,970.83 × 2,812.96
  4. Step 4: Simplify right side
    5,051.17x = 19,608,665.96
  5. Step 5: Solve for x
    x = 19,608,665.96/5,051.17
  6. Step 6: Final answer
    x = 3,882.00

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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.