Home / 4,085.79-5,638.67-2,361.60

Finding the Fourth Proportional to 4,085.79, 5,638.67 and 2,361.60

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Solution

The fourth proportional to 4,085.79, 5,638.67 and 2,361.60 is: 3,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.79 : 5,638.67 = 2,361.60 : x
  2. Step 2: Convert to fraction form
    4,085.79/5,638.67 = 2,361.60/x
  3. Step 3: Cross multiply
    4,085.79x = 5,638.67 × 2,361.60
  4. Step 4: Simplify right side
    4,085.79x = 13,316,283.07
  5. Step 5: Solve for x
    x = 13,316,283.07/4,085.79
  6. Step 6: Final answer
    x = 3,259.17

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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.