Home / 3,885.17-5,361.55-2,313.32

Finding the Fourth Proportional to 3,885.17, 5,361.55 and 2,313.32

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Solution

The fourth proportional to 3,885.17, 5,361.55 and 2,313.32 is: 3,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.17 : 5,361.55 = 2,313.32 : x
  2. Step 2: Convert to fraction form
    3,885.17/5,361.55 = 2,313.32/x
  3. Step 3: Cross multiply
    3,885.17x = 5,361.55 × 2,313.32
  4. Step 4: Simplify right side
    3,885.17x = 12,402,948.25
  5. Step 5: Solve for x
    x = 12,402,948.25/3,885.17
  6. Step 6: Final answer
    x = 3,192.39

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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.