Home / 4,900.90-7,340.55-3,432.10

Finding the Fourth Proportional to 4,900.90, 7,340.55 and 3,432.10

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Solution

The fourth proportional to 4,900.90, 7,340.55 and 3,432.10 is: 5,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.90 : 7,340.55 = 3,432.10 : x
  2. Step 2: Convert to fraction form
    4,900.90/7,340.55 = 3,432.10/x
  3. Step 3: Cross multiply
    4,900.90x = 7,340.55 × 3,432.10
  4. Step 4: Simplify right side
    4,900.90x = 25,193,501.66
  5. Step 5: Solve for x
    x = 25,193,501.66/4,900.90
  6. Step 6: Final answer
    x = 5,140.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.