Home / 5,070.05-6,994.50-3,180.35

Finding the Fourth Proportional to 5,070.05, 6,994.50 and 3,180.35

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Solution

The fourth proportional to 5,070.05, 6,994.50 and 3,180.35 is: 4,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.05 : 6,994.50 = 3,180.35 : x
  2. Step 2: Convert to fraction form
    5,070.05/6,994.50 = 3,180.35/x
  3. Step 3: Cross multiply
    5,070.05x = 6,994.50 × 3,180.35
  4. Step 4: Simplify right side
    5,070.05x = 22,244,923.10
  5. Step 5: Solve for x
    x = 22,244,923.10/5,070.05
  6. Step 6: Final answer
    x = 4,387.52

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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.