Home / 5,065.47-6,991.52-2,970.27

Finding the Fourth Proportional to 5,065.47, 6,991.52 and 2,970.27

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Solution

The fourth proportional to 5,065.47, 6,991.52 and 2,970.27 is: 4,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.47 : 6,991.52 = 2,970.27 : x
  2. Step 2: Convert to fraction form
    5,065.47/6,991.52 = 2,970.27/x
  3. Step 3: Cross multiply
    5,065.47x = 6,991.52 × 2,970.27
  4. Step 4: Simplify right side
    5,065.47x = 20,766,687.26
  5. Step 5: Solve for x
    x = 20,766,687.26/5,065.47
  6. Step 6: Final answer
    x = 4,099.66

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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.