Home / 4,129.80-5,699.42-2,361.48

Finding the Fourth Proportional to 4,129.80, 5,699.42 and 2,361.48

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Solution

The fourth proportional to 4,129.80, 5,699.42 and 2,361.48 is: 3,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.80 : 5,699.42 = 2,361.48 : x
  2. Step 2: Convert to fraction form
    4,129.80/5,699.42 = 2,361.48/x
  3. Step 3: Cross multiply
    4,129.80x = 5,699.42 × 2,361.48
  4. Step 4: Simplify right side
    4,129.80x = 13,459,066.34
  5. Step 5: Solve for x
    x = 13,459,066.34/4,129.80
  6. Step 6: Final answer
    x = 3,259.01

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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.