Home / 4,699.48-6,480.81-2,810.75

Finding the Fourth Proportional to 4,699.48, 6,480.81 and 2,810.75

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Solution

The fourth proportional to 4,699.48, 6,480.81 and 2,810.75 is: 3,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.48 : 6,480.81 = 2,810.75 : x
  2. Step 2: Convert to fraction form
    4,699.48/6,480.81 = 2,810.75/x
  3. Step 3: Cross multiply
    4,699.48x = 6,480.81 × 2,810.75
  4. Step 4: Simplify right side
    4,699.48x = 18,215,936.71
  5. Step 5: Solve for x
    x = 18,215,936.71/4,699.48
  6. Step 6: Final answer
    x = 3,876.16

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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.