Home / 2,897.17-3,994.18-2,265.23

Finding the Fourth Proportional to 2,897.17, 3,994.18 and 2,265.23

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Solution

The fourth proportional to 2,897.17, 3,994.18 and 2,265.23 is: 3,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.17 : 3,994.18 = 2,265.23 : x
  2. Step 2: Convert to fraction form
    2,897.17/3,994.18 = 2,265.23/x
  3. Step 3: Cross multiply
    2,897.17x = 3,994.18 × 2,265.23
  4. Step 4: Simplify right side
    2,897.17x = 9,047,740.68
  5. Step 5: Solve for x
    x = 9,047,740.68/2,897.17
  6. Step 6: Final answer
    x = 3,122.96

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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.