Home / 3,061.98-4,225.44-1,802.75

Finding the Fourth Proportional to 3,061.98, 4,225.44 and 1,802.75

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Solution

The fourth proportional to 3,061.98, 4,225.44 and 1,802.75 is: 2,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.98 : 4,225.44 = 1,802.75 : x
  2. Step 2: Convert to fraction form
    3,061.98/4,225.44 = 1,802.75/x
  3. Step 3: Cross multiply
    3,061.98x = 4,225.44 × 1,802.75
  4. Step 4: Simplify right side
    3,061.98x = 7,617,411.96
  5. Step 5: Solve for x
    x = 7,617,411.96/3,061.98
  6. Step 6: Final answer
    x = 2,487.74

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Half scale
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Double scale
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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.