Home / 5,427.30-8,140.59-2,465.04

Finding the Fourth Proportional to 5,427.30, 8,140.59 and 2,465.04

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Solution

The fourth proportional to 5,427.30, 8,140.59 and 2,465.04 is: 3,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.30 : 8,140.59 = 2,465.04 : x
  2. Step 2: Convert to fraction form
    5,427.30/8,140.59 = 2,465.04/x
  3. Step 3: Cross multiply
    5,427.30x = 8,140.59 × 2,465.04
  4. Step 4: Simplify right side
    5,427.30x = 20,066,879.97
  5. Step 5: Solve for x
    x = 20,066,879.97/5,427.30
  6. Step 6: Final answer
    x = 3,697.40

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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.