Home / 5,327.70-7,352.40-2,970.06

Finding the Fourth Proportional to 5,327.70, 7,352.40 and 2,970.06

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Solution

The fourth proportional to 5,327.70, 7,352.40 and 2,970.06 is: 4,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.70 : 7,352.40 = 2,970.06 : x
  2. Step 2: Convert to fraction form
    5,327.70/7,352.40 = 2,970.06/x
  3. Step 3: Cross multiply
    5,327.70x = 7,352.40 × 2,970.06
  4. Step 4: Simplify right side
    5,327.70x = 21,837,069.14
  5. Step 5: Solve for x
    x = 21,837,069.14/5,327.70
  6. Step 6: Final answer
    x = 4,098.78

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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.