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Finding the Fourth Proportional to 5,693.40, 8,541.30 and 1,798.08

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Solution

The fourth proportional to 5,693.40, 8,541.30 and 1,798.08 is: 2,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.40 : 8,541.30 = 1,798.08 : x
  2. Step 2: Convert to fraction form
    5,693.40/8,541.30 = 1,798.08/x
  3. Step 3: Cross multiply
    5,693.40x = 8,541.30 × 1,798.08
  4. Step 4: Simplify right side
    5,693.40x = 15,357,940.70
  5. Step 5: Solve for x
    x = 15,357,940.70/5,693.40
  6. Step 6: Final answer
    x = 2,697.50

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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.