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Finding the Fourth Proportional to 5,260.68, 7,890.02 and 1,750.16

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Solution

The fourth proportional to 5,260.68, 7,890.02 and 1,750.16 is: 2,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.68 : 7,890.02 = 1,750.16 : x
  2. Step 2: Convert to fraction form
    5,260.68/7,890.02 = 1,750.16/x
  3. Step 3: Cross multiply
    5,260.68x = 7,890.02 × 1,750.16
  4. Step 4: Simplify right side
    5,260.68x = 13,808,797.40
  5. Step 5: Solve for x
    x = 13,808,797.40/5,260.68
  6. Step 6: Final answer
    x = 2,624.91

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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.