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Finding the Fourth Proportional to 5,802.81, 8,007.88 and 3,150.22

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Solution

The fourth proportional to 5,802.81, 8,007.88 and 3,150.22 is: 4,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.81 : 8,007.88 = 3,150.22 : x
  2. Step 2: Convert to fraction form
    5,802.81/8,007.88 = 3,150.22/x
  3. Step 3: Cross multiply
    5,802.81x = 8,007.88 × 3,150.22
  4. Step 4: Simplify right side
    5,802.81x = 25,226,581.24
  5. Step 5: Solve for x
    x = 25,226,581.24/5,802.81
  6. Step 6: Final answer
    x = 4,347.30

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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.