Home / 5,133.07-7,083.55-2,894.95

Finding the Fourth Proportional to 5,133.07, 7,083.55 and 2,894.95

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Solution

The fourth proportional to 5,133.07, 7,083.55 and 2,894.95 is: 3,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.07 : 7,083.55 = 2,894.95 : x
  2. Step 2: Convert to fraction form
    5,133.07/7,083.55 = 2,894.95/x
  3. Step 3: Cross multiply
    5,133.07x = 7,083.55 × 2,894.95
  4. Step 4: Simplify right side
    5,133.07x = 20,506,523.07
  5. Step 5: Solve for x
    x = 20,506,523.07/5,133.07
  6. Step 6: Final answer
    x = 3,994.98

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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.