Home / 5,095.20-7,032.63-3,106.86

Finding the Fourth Proportional to 5,095.20, 7,032.63 and 3,106.86

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Solution

The fourth proportional to 5,095.20, 7,032.63 and 3,106.86 is: 4,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.20 : 7,032.63 = 3,106.86 : x
  2. Step 2: Convert to fraction form
    5,095.20/7,032.63 = 3,106.86/x
  3. Step 3: Cross multiply
    5,095.20x = 7,032.63 × 3,106.86
  4. Step 4: Simplify right side
    5,095.20x = 21,849,396.84
  5. Step 5: Solve for x
    x = 21,849,396.84/5,095.20
  6. Step 6: Final answer
    x = 4,288.23

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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.