Home / 5,188.02-7,159.56-2,949.66

Finding the Fourth Proportional to 5,188.02, 7,159.56 and 2,949.66

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Solution

The fourth proportional to 5,188.02, 7,159.56 and 2,949.66 is: 4,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.02 : 7,159.56 = 2,949.66 : x
  2. Step 2: Convert to fraction form
    5,188.02/7,159.56 = 2,949.66/x
  3. Step 3: Cross multiply
    5,188.02x = 7,159.56 × 2,949.66
  4. Step 4: Simplify right side
    5,188.02x = 21,118,267.75
  5. Step 5: Solve for x
    x = 21,118,267.75/5,188.02
  6. Step 6: Final answer
    x = 4,070.58

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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.