Home / 5,431.53-7,495.95-3,074.11

Finding the Fourth Proportional to 5,431.53, 7,495.95 and 3,074.11

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Solution

The fourth proportional to 5,431.53, 7,495.95 and 3,074.11 is: 4,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.53 : 7,495.95 = 3,074.11 : x
  2. Step 2: Convert to fraction form
    5,431.53/7,495.95 = 3,074.11/x
  3. Step 3: Cross multiply
    5,431.53x = 7,495.95 × 3,074.11
  4. Step 4: Simplify right side
    5,431.53x = 23,043,374.85
  5. Step 5: Solve for x
    x = 23,043,374.85/5,431.53
  6. Step 6: Final answer
    x = 4,242.52

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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.