Home / 2,900.40-4,337.16-2,754.48

Finding the Fourth Proportional to 2,900.40, 4,337.16 and 2,754.48

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Solution

The fourth proportional to 2,900.40, 4,337.16 and 2,754.48 is: 4,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.40 : 4,337.16 = 2,754.48 : x
  2. Step 2: Convert to fraction form
    2,900.40/4,337.16 = 2,754.48/x
  3. Step 3: Cross multiply
    2,900.40x = 4,337.16 × 2,754.48
  4. Step 4: Simplify right side
    2,900.40x = 11,946,620.48
  5. Step 5: Solve for x
    x = 11,946,620.48/2,900.40
  6. Step 6: Final answer
    x = 4,118.96

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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.