Home / 7,540.96-10,407.02-4,354.39

Finding the Fourth Proportional to 7,540.96, 10,407.02 and 4,354.39

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Solution

The fourth proportional to 7,540.96, 10,407.02 and 4,354.39 is: 6,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.96 : 10,407.02 = 4,354.39 : x
  2. Step 2: Convert to fraction form
    7,540.96/10,407.02 = 4,354.39/x
  3. Step 3: Cross multiply
    7,540.96x = 10,407.02 × 4,354.39
  4. Step 4: Simplify right side
    7,540.96x = 45,316,231.38
  5. Step 5: Solve for x
    x = 45,316,231.38/7,540.96
  6. Step 6: Final answer
    x = 6,009.34

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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.