Home / 4,166.36-5,741.68-2,985.40

Finding the Fourth Proportional to 4,166.36, 5,741.68 and 2,985.40

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Solution

The fourth proportional to 4,166.36, 5,741.68 and 2,985.40 is: 4,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.36 : 5,741.68 = 2,985.40 : x
  2. Step 2: Convert to fraction form
    4,166.36/5,741.68 = 2,985.40/x
  3. Step 3: Cross multiply
    4,166.36x = 5,741.68 × 2,985.40
  4. Step 4: Simplify right side
    4,166.36x = 17,141,211.47
  5. Step 5: Solve for x
    x = 17,141,211.47/4,166.36
  6. Step 6: Final answer
    x = 4,114.19

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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.