Home / 5,628.57-7,762.38-3,637.04

Finding the Fourth Proportional to 5,628.57, 7,762.38 and 3,637.04

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Solution

The fourth proportional to 5,628.57, 7,762.38 and 3,637.04 is: 5,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.57 : 7,762.38 = 3,637.04 : x
  2. Step 2: Convert to fraction form
    5,628.57/7,762.38 = 3,637.04/x
  3. Step 3: Cross multiply
    5,628.57x = 7,762.38 × 3,637.04
  4. Step 4: Simplify right side
    5,628.57x = 28,232,047.74
  5. Step 5: Solve for x
    x = 28,232,047.74/5,628.57
  6. Step 6: Final answer
    x = 5,015.85

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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.