Home / 5,776.11-7,970.67-3,417.39

Finding the Fourth Proportional to 5,776.11, 7,970.67 and 3,417.39

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Solution

The fourth proportional to 5,776.11, 7,970.67 and 3,417.39 is: 4,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.11 : 7,970.67 = 3,417.39 : x
  2. Step 2: Convert to fraction form
    5,776.11/7,970.67 = 3,417.39/x
  3. Step 3: Cross multiply
    5,776.11x = 7,970.67 × 3,417.39
  4. Step 4: Simplify right side
    5,776.11x = 27,238,887.95
  5. Step 5: Solve for x
    x = 27,238,887.95/5,776.11
  6. Step 6: Final answer
    x = 4,715.78

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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.