Home / 5,070.81-6,997.59-2,832.78

Finding the Fourth Proportional to 5,070.81, 6,997.59 and 2,832.78

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Solution

The fourth proportional to 5,070.81, 6,997.59 and 2,832.78 is: 3,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.81 : 6,997.59 = 2,832.78 : x
  2. Step 2: Convert to fraction form
    5,070.81/6,997.59 = 2,832.78/x
  3. Step 3: Cross multiply
    5,070.81x = 6,997.59 × 2,832.78
  4. Step 4: Simplify right side
    5,070.81x = 19,822,633.00
  5. Step 5: Solve for x
    x = 19,822,633.00/5,070.81
  6. Step 6: Final answer
    x = 3,909.17

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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.