Home / 3,066.53-4,599.32-986.18

Finding the Fourth Proportional to 3,066.53, 4,599.32 and 986.18

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Solution

The fourth proportional to 3,066.53, 4,599.32 and 986.18 is: 1,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.53 : 4,599.32 = 986.18 : x
  2. Step 2: Convert to fraction form
    3,066.53/4,599.32 = 986.18/x
  3. Step 3: Cross multiply
    3,066.53x = 4,599.32 × 986.18
  4. Step 4: Simplify right side
    3,066.53x = 4,535,729.47
  5. Step 5: Solve for x
    x = 4,535,729.47/3,066.53
  6. Step 6: Final answer
    x = 1,479.11

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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.