Home / 5,300.55-7,312.21-3,175.52

Finding the Fourth Proportional to 5,300.55, 7,312.21 and 3,175.52

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Solution

The fourth proportional to 5,300.55, 7,312.21 and 3,175.52 is: 4,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.55 : 7,312.21 = 3,175.52 : x
  2. Step 2: Convert to fraction form
    5,300.55/7,312.21 = 3,175.52/x
  3. Step 3: Cross multiply
    5,300.55x = 7,312.21 × 3,175.52
  4. Step 4: Simplify right side
    5,300.55x = 23,220,024.60
  5. Step 5: Solve for x
    x = 23,220,024.60/5,300.55
  6. Step 6: Final answer
    x = 4,380.68

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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.