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Finding the Fourth Proportional to 4,720.52, 7,080.10 and 1,798.84

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Solution

The fourth proportional to 4,720.52, 7,080.10 and 1,798.84 is: 2,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.52 : 7,080.10 = 1,798.84 : x
  2. Step 2: Convert to fraction form
    4,720.52/7,080.10 = 1,798.84/x
  3. Step 3: Cross multiply
    4,720.52x = 7,080.10 × 1,798.84
  4. Step 4: Simplify right side
    4,720.52x = 12,735,967.08
  5. Step 5: Solve for x
    x = 12,735,967.08/4,720.52
  6. Step 6: Final answer
    x = 2,698.00

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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.