Home / 5,495.77-7,585.55-3,139.30

Finding the Fourth Proportional to 5,495.77, 7,585.55 and 3,139.30

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Solution

The fourth proportional to 5,495.77, 7,585.55 and 3,139.30 is: 4,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.77 : 7,585.55 = 3,139.30 : x
  2. Step 2: Convert to fraction form
    5,495.77/7,585.55 = 3,139.30/x
  3. Step 3: Cross multiply
    5,495.77x = 7,585.55 × 3,139.30
  4. Step 4: Simplify right side
    5,495.77x = 23,813,317.12
  5. Step 5: Solve for x
    x = 23,813,317.12/5,495.77
  6. Step 6: Final answer
    x = 4,333.03

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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.