Home / 5,166.75-7,130.13-3,070.89

Finding the Fourth Proportional to 5,166.75, 7,130.13 and 3,070.89

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Solution

The fourth proportional to 5,166.75, 7,130.13 and 3,070.89 is: 4,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.75 : 7,130.13 = 3,070.89 : x
  2. Step 2: Convert to fraction form
    5,166.75/7,130.13 = 3,070.89/x
  3. Step 3: Cross multiply
    5,166.75x = 7,130.13 × 3,070.89
  4. Step 4: Simplify right side
    5,166.75x = 21,895,844.92
  5. Step 5: Solve for x
    x = 21,895,844.92/5,166.75
  6. Step 6: Final answer
    x = 4,237.84

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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.