Home / 4,149.04-5,715.66-3,485.92

Finding the Fourth Proportional to 4,149.04, 5,715.66 and 3,485.92

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Solution

The fourth proportional to 4,149.04, 5,715.66 and 3,485.92 is: 4,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.04 : 5,715.66 = 3,485.92 : x
  2. Step 2: Convert to fraction form
    4,149.04/5,715.66 = 3,485.92/x
  3. Step 3: Cross multiply
    4,149.04x = 5,715.66 × 3,485.92
  4. Step 4: Simplify right side
    4,149.04x = 19,924,333.51
  5. Step 5: Solve for x
    x = 19,924,333.51/4,149.04
  6. Step 6: Final answer
    x = 4,802.16

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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.