Home / 4,551.12-6,280.16-2,561.31

Finding the Fourth Proportional to 4,551.12, 6,280.16 and 2,561.31

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Solution

The fourth proportional to 4,551.12, 6,280.16 and 2,561.31 is: 3,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.12 : 6,280.16 = 2,561.31 : x
  2. Step 2: Convert to fraction form
    4,551.12/6,280.16 = 2,561.31/x
  3. Step 3: Cross multiply
    4,551.12x = 6,280.16 × 2,561.31
  4. Step 4: Simplify right side
    4,551.12x = 16,085,443.01
  5. Step 5: Solve for x
    x = 16,085,443.01/4,551.12
  6. Step 6: Final answer
    x = 3,534.39

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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.