Home / 6,854.60-9,459.32-3,710.79

Finding the Fourth Proportional to 6,854.60, 9,459.32 and 3,710.79

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Solution

The fourth proportional to 6,854.60, 9,459.32 and 3,710.79 is: 5,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854.60 : 9,459.32 = 3,710.79 : x
  2. Step 2: Convert to fraction form
    6,854.60/9,459.32 = 3,710.79/x
  3. Step 3: Cross multiply
    6,854.60x = 9,459.32 × 3,710.79
  4. Step 4: Simplify right side
    6,854.60x = 35,101,531.51
  5. Step 5: Solve for x
    x = 35,101,531.51/6,854.60
  6. Step 6: Final answer
    x = 5,120.88

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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.