Home / 3,571.16-5,355.93-974.30

Finding the Fourth Proportional to 3,571.16, 5,355.93 and 974.30

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Solution

The fourth proportional to 3,571.16, 5,355.93 and 974.30 is: 1,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.16 : 5,355.93 = 974.30 : x
  2. Step 2: Convert to fraction form
    3,571.16/5,355.93 = 974.30/x
  3. Step 3: Cross multiply
    3,571.16x = 5,355.93 × 974.30
  4. Step 4: Simplify right side
    3,571.16x = 5,218,282.60
  5. Step 5: Solve for x
    x = 5,218,282.60/3,571.16
  6. Step 6: Final answer
    x = 1,461.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.