Home / 3,755.36-5,624.70-2,656.40

Finding the Fourth Proportional to 3,755.36, 5,624.70 and 2,656.40

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Solution

The fourth proportional to 3,755.36, 5,624.70 and 2,656.40 is: 3,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.36 : 5,624.70 = 2,656.40 : x
  2. Step 2: Convert to fraction form
    3,755.36/5,624.70 = 2,656.40/x
  3. Step 3: Cross multiply
    3,755.36x = 5,624.70 × 2,656.40
  4. Step 4: Simplify right side
    3,755.36x = 14,941,453.08
  5. Step 5: Solve for x
    x = 14,941,453.08/3,755.36
  6. Step 6: Final answer
    x = 3,978.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.