Home / 5,134.77-7,085.98-2,776.91

Finding the Fourth Proportional to 5,134.77, 7,085.98 and 2,776.91

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Solution

The fourth proportional to 5,134.77, 7,085.98 and 2,776.91 is: 3,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.77 : 7,085.98 = 2,776.91 : x
  2. Step 2: Convert to fraction form
    5,134.77/7,085.98 = 2,776.91/x
  3. Step 3: Cross multiply
    5,134.77x = 7,085.98 × 2,776.91
  4. Step 4: Simplify right side
    5,134.77x = 19,677,114.84
  5. Step 5: Solve for x
    x = 19,677,114.84/5,134.77
  6. Step 6: Final answer
    x = 3,832.14

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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.