Home / 5,038.76-6,953.52-2,800.85

Finding the Fourth Proportional to 5,038.76, 6,953.52 and 2,800.85

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Solution

The fourth proportional to 5,038.76, 6,953.52 and 2,800.85 is: 3,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.76 : 6,953.52 = 2,800.85 : x
  2. Step 2: Convert to fraction form
    5,038.76/6,953.52 = 2,800.85/x
  3. Step 3: Cross multiply
    5,038.76x = 6,953.52 × 2,800.85
  4. Step 4: Simplify right side
    5,038.76x = 19,475,722.53
  5. Step 5: Solve for x
    x = 19,475,722.53/5,038.76
  6. Step 6: Final answer
    x = 3,865.18

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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.