Home / 5,132.68-7,083.07-2,894.58

Finding the Fourth Proportional to 5,132.68, 7,083.07 and 2,894.58

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Solution

The fourth proportional to 5,132.68, 7,083.07 and 2,894.58 is: 3,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.68 : 7,083.07 = 2,894.58 : x
  2. Step 2: Convert to fraction form
    5,132.68/7,083.07 = 2,894.58/x
  3. Step 3: Cross multiply
    5,132.68x = 7,083.07 × 2,894.58
  4. Step 4: Simplify right side
    5,132.68x = 20,502,477.35
  5. Step 5: Solve for x
    x = 20,502,477.35/5,132.68
  6. Step 6: Final answer
    x = 3,994.50

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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.