Home / 4,714.12-7,070.28-1,792.72

Finding the Fourth Proportional to 4,714.12, 7,070.28 and 1,792.72

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Solution

The fourth proportional to 4,714.12, 7,070.28 and 1,792.72 is: 2,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.12 : 7,070.28 = 1,792.72 : x
  2. Step 2: Convert to fraction form
    4,714.12/7,070.28 = 1,792.72/x
  3. Step 3: Cross multiply
    4,714.12x = 7,070.28 × 1,792.72
  4. Step 4: Simplify right side
    4,714.12x = 12,675,032.36
  5. Step 5: Solve for x
    x = 12,675,032.36/4,714.12
  6. Step 6: Final answer
    x = 2,688.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.