Home / 5,039.01-6,953.51-2,800.76

Finding the Fourth Proportional to 5,039.01, 6,953.51 and 2,800.76

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Solution

The fourth proportional to 5,039.01, 6,953.51 and 2,800.76 is: 3,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.01 : 6,953.51 = 2,800.76 : x
  2. Step 2: Convert to fraction form
    5,039.01/6,953.51 = 2,800.76/x
  3. Step 3: Cross multiply
    5,039.01x = 6,953.51 × 2,800.76
  4. Step 4: Simplify right side
    5,039.01x = 19,475,084.90
  5. Step 5: Solve for x
    x = 19,475,084.90/5,039.01
  6. Step 6: Final answer
    x = 3,864.86

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Half scale
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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.