Home / 5,289.82-7,285.16-5,175.04

Finding the Fourth Proportional to 5,289.82, 7,285.16 and 5,175.04

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Solution

The fourth proportional to 5,289.82, 7,285.16 and 5,175.04 is: 7,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.82 : 7,285.16 = 5,175.04 : x
  2. Step 2: Convert to fraction form
    5,289.82/7,285.16 = 5,175.04/x
  3. Step 3: Cross multiply
    5,289.82x = 7,285.16 × 5,175.04
  4. Step 4: Simplify right side
    5,289.82x = 37,700,994.41
  5. Step 5: Solve for x
    x = 37,700,994.41/5,289.82
  6. Step 6: Final answer
    x = 7,127.08

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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.