Home / 5,220.71-7,204.74-2,862.98

Finding the Fourth Proportional to 5,220.71, 7,204.74 and 2,862.98

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Solution

The fourth proportional to 5,220.71, 7,204.74 and 2,862.98 is: 3,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.71 : 7,204.74 = 2,862.98 : x
  2. Step 2: Convert to fraction form
    5,220.71/7,204.74 = 2,862.98/x
  3. Step 3: Cross multiply
    5,220.71x = 7,204.74 × 2,862.98
  4. Step 4: Simplify right side
    5,220.71x = 20,627,026.53
  5. Step 5: Solve for x
    x = 20,627,026.53/5,220.71
  6. Step 6: Final answer
    x = 3,951.00

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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.