Home / 5,078.64-7,010.46-3,310.68

Finding the Fourth Proportional to 5,078.64, 7,010.46 and 3,310.68

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Solution

The fourth proportional to 5,078.64, 7,010.46 and 3,310.68 is: 4,570.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.64 : 7,010.46 = 3,310.68 : x
  2. Step 2: Convert to fraction form
    5,078.64/7,010.46 = 3,310.68/x
  3. Step 3: Cross multiply
    5,078.64x = 7,010.46 × 3,310.68
  4. Step 4: Simplify right side
    5,078.64x = 23,209,389.71
  5. Step 5: Solve for x
    x = 23,209,389.71/5,078.64
  6. Step 6: Final answer
    x = 4,570.00

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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.