Home / 5,220.41-7,204.52-2,862.70

Finding the Fourth Proportional to 5,220.41, 7,204.52 and 2,862.70

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Solution

The fourth proportional to 5,220.41, 7,204.52 and 2,862.70 is: 3,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.41 : 7,204.52 = 2,862.70 : x
  2. Step 2: Convert to fraction form
    5,220.41/7,204.52 = 2,862.70/x
  3. Step 3: Cross multiply
    5,220.41x = 7,204.52 × 2,862.70
  4. Step 4: Simplify right side
    5,220.41x = 20,624,368.55
  5. Step 5: Solve for x
    x = 20,624,368.55/5,220.41
  6. Step 6: Final answer
    x = 3,950.72

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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.