Home / 5,343.60-7,374.38-2,953.86

Finding the Fourth Proportional to 5,343.60, 7,374.38 and 2,953.86

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Solution

The fourth proportional to 5,343.60, 7,374.38 and 2,953.86 is: 4,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.60 : 7,374.38 = 2,953.86 : x
  2. Step 2: Convert to fraction form
    5,343.60/7,374.38 = 2,953.86/x
  3. Step 3: Cross multiply
    5,343.60x = 7,374.38 × 2,953.86
  4. Step 4: Simplify right side
    5,343.60x = 21,782,886.11
  5. Step 5: Solve for x
    x = 21,782,886.11/5,343.60
  6. Step 6: Final answer
    x = 4,076.44

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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.