Home / 5,697.36-7,864.75-3,459.95

Finding the Fourth Proportional to 5,697.36, 7,864.75 and 3,459.95

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Solution

The fourth proportional to 5,697.36, 7,864.75 and 3,459.95 is: 4,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.36 : 7,864.75 = 3,459.95 : x
  2. Step 2: Convert to fraction form
    5,697.36/7,864.75 = 3,459.95/x
  3. Step 3: Cross multiply
    5,697.36x = 7,864.75 × 3,459.95
  4. Step 4: Simplify right side
    5,697.36x = 27,211,665.75
  5. Step 5: Solve for x
    x = 27,211,665.75/5,697.36
  6. Step 6: Final answer
    x = 4,776.19

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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.