Home / 5,301.59-7,951.77-1,406.30

Finding the Fourth Proportional to 5,301.59, 7,951.77 and 1,406.30

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Solution

The fourth proportional to 5,301.59, 7,951.77 and 1,406.30 is: 2,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.59 : 7,951.77 = 1,406.30 : x
  2. Step 2: Convert to fraction form
    5,301.59/7,951.77 = 1,406.30/x
  3. Step 3: Cross multiply
    5,301.59x = 7,951.77 × 1,406.30
  4. Step 4: Simplify right side
    5,301.59x = 11,182,534.39
  5. Step 5: Solve for x
    x = 11,182,534.39/5,301.59
  6. Step 6: Final answer
    x = 2,109.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.