Home / 5,160.85-7,125.57-4,558.75

Finding the Fourth Proportional to 5,160.85, 7,125.57 and 4,558.75

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Solution

The fourth proportional to 5,160.85, 7,125.57 and 4,558.75 is: 6,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.85 : 7,125.57 = 4,558.75 : x
  2. Step 2: Convert to fraction form
    5,160.85/7,125.57 = 4,558.75/x
  3. Step 3: Cross multiply
    5,160.85x = 7,125.57 × 4,558.75
  4. Step 4: Simplify right side
    5,160.85x = 32,483,692.24
  5. Step 5: Solve for x
    x = 32,483,692.24/5,160.85
  6. Step 6: Final answer
    x = 6,294.25

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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.