Home / 3,348.24-4,622.74-2,153.76

Finding the Fourth Proportional to 3,348.24, 4,622.74 and 2,153.76

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Solution

The fourth proportional to 3,348.24, 4,622.74 and 2,153.76 is: 2,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.24 : 4,622.74 = 2,153.76 : x
  2. Step 2: Convert to fraction form
    3,348.24/4,622.74 = 2,153.76/x
  3. Step 3: Cross multiply
    3,348.24x = 4,622.74 × 2,153.76
  4. Step 4: Simplify right side
    3,348.24x = 9,956,272.50
  5. Step 5: Solve for x
    x = 9,956,272.50/3,348.24
  6. Step 6: Final answer
    x = 2,973.58

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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.