Home / 4,899.42-6,762.62-2,985.93

Finding the Fourth Proportional to 4,899.42, 6,762.62 and 2,985.93

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Solution

The fourth proportional to 4,899.42, 6,762.62 and 2,985.93 is: 4,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.42 : 6,762.62 = 2,985.93 : x
  2. Step 2: Convert to fraction form
    4,899.42/6,762.62 = 2,985.93/x
  3. Step 3: Cross multiply
    4,899.42x = 6,762.62 × 2,985.93
  4. Step 4: Simplify right side
    4,899.42x = 20,192,717.40
  5. Step 5: Solve for x
    x = 20,192,717.40/4,899.42
  6. Step 6: Final answer
    x = 4,121.45

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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.