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Finding the Fourth Proportional to 5,592.90, 7,714.80 and 4,023.12

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Solution

The fourth proportional to 5,592.90, 7,714.80 and 4,023.12 is: 5,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592.90 : 7,714.80 = 4,023.12 : x
  2. Step 2: Convert to fraction form
    5,592.90/7,714.80 = 4,023.12/x
  3. Step 3: Cross multiply
    5,592.90x = 7,714.80 × 4,023.12
  4. Step 4: Simplify right side
    5,592.90x = 31,037,566.18
  5. Step 5: Solve for x
    x = 31,037,566.18/5,592.90
  6. Step 6: Final answer
    x = 5,549.46

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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.