Home / 5,355.32-7,342.20-5,256.68

Finding the Fourth Proportional to 5,355.32, 7,342.20 and 5,256.68

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Solution

The fourth proportional to 5,355.32, 7,342.20 and 5,256.68 is: 7,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.32 : 7,342.20 = 5,256.68 : x
  2. Step 2: Convert to fraction form
    5,355.32/7,342.20 = 5,256.68/x
  3. Step 3: Cross multiply
    5,355.32x = 7,342.20 × 5,256.68
  4. Step 4: Simplify right side
    5,355.32x = 38,595,595.90
  5. Step 5: Solve for x
    x = 38,595,595.90/5,355.32
  6. Step 6: Final answer
    x = 7,206.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.