Home / 4,972.83-7,459.58-1,686.18

Finding the Fourth Proportional to 4,972.83, 7,459.58 and 1,686.18

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Solution

The fourth proportional to 4,972.83, 7,459.58 and 1,686.18 is: 2,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.83 : 7,459.58 = 1,686.18 : x
  2. Step 2: Convert to fraction form
    4,972.83/7,459.58 = 1,686.18/x
  3. Step 3: Cross multiply
    4,972.83x = 7,459.58 × 1,686.18
  4. Step 4: Simplify right side
    4,972.83x = 12,578,194.60
  5. Step 5: Solve for x
    x = 12,578,194.60/4,972.83
  6. Step 6: Final answer
    x = 2,529.38

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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.