Home / 3,566.50-4,921.33-1,972.93

Finding the Fourth Proportional to 3,566.50, 4,921.33 and 1,972.93

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Solution

The fourth proportional to 3,566.50, 4,921.33 and 1,972.93 is: 2,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.50 : 4,921.33 = 1,972.93 : x
  2. Step 2: Convert to fraction form
    3,566.50/4,921.33 = 1,972.93/x
  3. Step 3: Cross multiply
    3,566.50x = 4,921.33 × 1,972.93
  4. Step 4: Simplify right side
    3,566.50x = 9,709,439.60
  5. Step 5: Solve for x
    x = 9,709,439.60/3,566.50
  6. Step 6: Final answer
    x = 2,722.40

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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.