Home / 5,403.75-7,455.36-4,407.30

Finding the Fourth Proportional to 5,403.75, 7,455.36 and 4,407.30

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Solution

The fourth proportional to 5,403.75, 7,455.36 and 4,407.30 is: 6,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.75 : 7,455.36 = 4,407.30 : x
  2. Step 2: Convert to fraction form
    5,403.75/7,455.36 = 4,407.30/x
  3. Step 3: Cross multiply
    5,403.75x = 7,455.36 × 4,407.30
  4. Step 4: Simplify right side
    5,403.75x = 32,858,008.13
  5. Step 5: Solve for x
    x = 32,858,008.13/5,403.75
  6. Step 6: Final answer
    x = 6,080.59

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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.