Home / 5,427.77-8,140.75-2,465.30

Finding the Fourth Proportional to 5,427.77, 8,140.75 and 2,465.30

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Solution

The fourth proportional to 5,427.77, 8,140.75 and 2,465.30 is: 3,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.77 : 8,140.75 = 2,465.30 : x
  2. Step 2: Convert to fraction form
    5,427.77/8,140.75 = 2,465.30/x
  3. Step 3: Cross multiply
    5,427.77x = 8,140.75 × 2,465.30
  4. Step 4: Simplify right side
    5,427.77x = 20,069,337.94
  5. Step 5: Solve for x
    x = 20,069,337.94/5,427.77
  6. Step 6: Final answer
    x = 3,697.53

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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.