Home / 5,070.90-6,998.22-2,947.02

Finding the Fourth Proportional to 5,070.90, 6,998.22 and 2,947.02

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Solution

The fourth proportional to 5,070.90, 6,998.22 and 2,947.02 is: 4,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.90 : 6,998.22 = 2,947.02 : x
  2. Step 2: Convert to fraction form
    5,070.90/6,998.22 = 2,947.02/x
  3. Step 3: Cross multiply
    5,070.90x = 6,998.22 × 2,947.02
  4. Step 4: Simplify right side
    5,070.90x = 20,623,894.30
  5. Step 5: Solve for x
    x = 20,623,894.30/5,070.90
  6. Step 6: Final answer
    x = 4,067.11

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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.