Home / 3,312.16-4,565.52-3,091.68

Finding the Fourth Proportional to 3,312.16, 4,565.52 and 3,091.68

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Solution

The fourth proportional to 3,312.16, 4,565.52 and 3,091.68 is: 4,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.16 : 4,565.52 = 3,091.68 : x
  2. Step 2: Convert to fraction form
    3,312.16/4,565.52 = 3,091.68/x
  3. Step 3: Cross multiply
    3,312.16x = 4,565.52 × 3,091.68
  4. Step 4: Simplify right side
    3,312.16x = 14,115,126.87
  5. Step 5: Solve for x
    x = 14,115,126.87/3,312.16
  6. Step 6: Final answer
    x = 4,261.61

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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.