Home / 5,471.02-7,550.64-3,113.53

Finding the Fourth Proportional to 5,471.02, 7,550.64 and 3,113.53

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Solution

The fourth proportional to 5,471.02, 7,550.64 and 3,113.53 is: 4,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.02 : 7,550.64 = 3,113.53 : x
  2. Step 2: Convert to fraction form
    5,471.02/7,550.64 = 3,113.53/x
  3. Step 3: Cross multiply
    5,471.02x = 7,550.64 × 3,113.53
  4. Step 4: Simplify right side
    5,471.02x = 23,509,144.16
  5. Step 5: Solve for x
    x = 23,509,144.16/5,471.02
  6. Step 6: Final answer
    x = 4,297.03

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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.