Home / 5,051.59-6,971.41-2,813.46

Finding the Fourth Proportional to 5,051.59, 6,971.41 and 2,813.46

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Solution

The fourth proportional to 5,051.59, 6,971.41 and 2,813.46 is: 3,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.59 : 6,971.41 = 2,813.46 : x
  2. Step 2: Convert to fraction form
    5,051.59/6,971.41 = 2,813.46/x
  3. Step 3: Cross multiply
    5,051.59x = 6,971.41 × 2,813.46
  4. Step 4: Simplify right side
    5,051.59x = 19,613,811.46
  5. Step 5: Solve for x
    x = 19,613,811.46/5,051.59
  6. Step 6: Final answer
    x = 3,882.70

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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.