Home / 5,622.61-7,762.31-3,385.04

Finding the Fourth Proportional to 5,622.61, 7,762.31 and 3,385.04

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Solution

The fourth proportional to 5,622.61, 7,762.31 and 3,385.04 is: 4,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.61 : 7,762.31 = 3,385.04 : x
  2. Step 2: Convert to fraction form
    5,622.61/7,762.31 = 3,385.04/x
  3. Step 3: Cross multiply
    5,622.61x = 7,762.31 × 3,385.04
  4. Step 4: Simplify right side
    5,622.61x = 26,275,729.84
  5. Step 5: Solve for x
    x = 26,275,729.84/5,622.61
  6. Step 6: Final answer
    x = 4,673.23

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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.