Home / 5,424.10-7,485.18-3,066.16

Finding the Fourth Proportional to 5,424.10, 7,485.18 and 3,066.16

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Solution

The fourth proportional to 5,424.10, 7,485.18 and 3,066.16 is: 4,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.10 : 7,485.18 = 3,066.16 : x
  2. Step 2: Convert to fraction form
    5,424.10/7,485.18 = 3,066.16/x
  3. Step 3: Cross multiply
    5,424.10x = 7,485.18 × 3,066.16
  4. Step 4: Simplify right side
    5,424.10x = 22,950,759.51
  5. Step 5: Solve for x
    x = 22,950,759.51/5,424.10
  6. Step 6: Final answer
    x = 4,231.26

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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.