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Finding the Fourth Proportional to 5,297.94, 7,311.51 and 3,532.50

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Solution

The fourth proportional to 5,297.94, 7,311.51 and 3,532.50 is: 4,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.94 : 7,311.51 = 3,532.50 : x
  2. Step 2: Convert to fraction form
    5,297.94/7,311.51 = 3,532.50/x
  3. Step 3: Cross multiply
    5,297.94x = 7,311.51 × 3,532.50
  4. Step 4: Simplify right side
    5,297.94x = 25,827,909.08
  5. Step 5: Solve for x
    x = 25,827,909.08/5,297.94
  6. Step 6: Final answer
    x = 4,875.09

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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.