Home / 3,345.10-4,616.16-1,928.77

Finding the Fourth Proportional to 3,345.10, 4,616.16 and 1,928.77

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Solution

The fourth proportional to 3,345.10, 4,616.16 and 1,928.77 is: 2,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.10 : 4,616.16 = 1,928.77 : x
  2. Step 2: Convert to fraction form
    3,345.10/4,616.16 = 1,928.77/x
  3. Step 3: Cross multiply
    3,345.10x = 4,616.16 × 1,928.77
  4. Step 4: Simplify right side
    3,345.10x = 8,903,487.84
  5. Step 5: Solve for x
    x = 8,903,487.84/3,345.10
  6. Step 6: Final answer
    x = 2,661.65

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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.