Home / 5,102.31-7,043.86-3,432.50

Finding the Fourth Proportional to 5,102.31, 7,043.86 and 3,432.50

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Solution

The fourth proportional to 5,102.31, 7,043.86 and 3,432.50 is: 4,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.31 : 7,043.86 = 3,432.50 : x
  2. Step 2: Convert to fraction form
    5,102.31/7,043.86 = 3,432.50/x
  3. Step 3: Cross multiply
    5,102.31x = 7,043.86 × 3,432.50
  4. Step 4: Simplify right side
    5,102.31x = 24,178,022.81
  5. Step 5: Solve for x
    x = 24,178,022.81/5,102.31
  6. Step 6: Final answer
    x = 4,738.65

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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.