Home / 5,395.60-7,437.18-3,903.58

Finding the Fourth Proportional to 5,395.60, 7,437.18 and 3,903.58

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Solution

The fourth proportional to 5,395.60, 7,437.18 and 3,903.58 is: 5,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.60 : 7,437.18 = 3,903.58 : x
  2. Step 2: Convert to fraction form
    5,395.60/7,437.18 = 3,903.58/x
  3. Step 3: Cross multiply
    5,395.60x = 7,437.18 × 3,903.58
  4. Step 4: Simplify right side
    5,395.60x = 29,031,627.10
  5. Step 5: Solve for x
    x = 29,031,627.10/5,395.60
  6. Step 6: Final answer
    x = 5,380.61

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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.