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Finding the Fourth Proportional to 2,897.84, 4,346.64 and 1,253.60

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Solution

The fourth proportional to 2,897.84, 4,346.64 and 1,253.60 is: 1,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.84 : 4,346.64 = 1,253.60 : x
  2. Step 2: Convert to fraction form
    2,897.84/4,346.64 = 1,253.60/x
  3. Step 3: Cross multiply
    2,897.84x = 4,346.64 × 1,253.60
  4. Step 4: Simplify right side
    2,897.84x = 5,448,947.90
  5. Step 5: Solve for x
    x = 5,448,947.90/2,897.84
  6. Step 6: Final answer
    x = 1,880.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.