Home / 3,762.12-5,646.06-1,681.32

Finding the Fourth Proportional to 3,762.12, 5,646.06 and 1,681.32

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Solution

The fourth proportional to 3,762.12, 5,646.06 and 1,681.32 is: 2,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.12 : 5,646.06 = 1,681.32 : x
  2. Step 2: Convert to fraction form
    3,762.12/5,646.06 = 1,681.32/x
  3. Step 3: Cross multiply
    3,762.12x = 5,646.06 × 1,681.32
  4. Step 4: Simplify right side
    3,762.12x = 9,492,833.60
  5. Step 5: Solve for x
    x = 9,492,833.60/3,762.12
  6. Step 6: Final answer
    x = 2,523.27

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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.