Home / 3,925.86-5,417.66-2,247.95

Finding the Fourth Proportional to 3,925.86, 5,417.66 and 2,247.95

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Solution

The fourth proportional to 3,925.86, 5,417.66 and 2,247.95 is: 3,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.86 : 5,417.66 = 2,247.95 : x
  2. Step 2: Convert to fraction form
    3,925.86/5,417.66 = 2,247.95/x
  3. Step 3: Cross multiply
    3,925.86x = 5,417.66 × 2,247.95
  4. Step 4: Simplify right side
    3,925.86x = 12,178,590.47
  5. Step 5: Solve for x
    x = 12,178,590.47/3,925.86
  6. Step 6: Final answer
    x = 3,102.15

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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.