Home / 5,343.24-7,374.12-2,985.60

Finding the Fourth Proportional to 5,343.24, 7,374.12 and 2,985.60

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Solution

The fourth proportional to 5,343.24, 7,374.12 and 2,985.60 is: 4,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.24 : 7,374.12 = 2,985.60 : x
  2. Step 2: Convert to fraction form
    5,343.24/7,374.12 = 2,985.60/x
  3. Step 3: Cross multiply
    5,343.24x = 7,374.12 × 2,985.60
  4. Step 4: Simplify right side
    5,343.24x = 22,016,172.67
  5. Step 5: Solve for x
    x = 22,016,172.67/5,343.24
  6. Step 6: Final answer
    x = 4,120.38

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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.