Home / 3,025.77-4,175.76-1,681.53

Finding the Fourth Proportional to 3,025.77, 4,175.76 and 1,681.53

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Solution

The fourth proportional to 3,025.77, 4,175.76 and 1,681.53 is: 2,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.77 : 4,175.76 = 1,681.53 : x
  2. Step 2: Convert to fraction form
    3,025.77/4,175.76 = 1,681.53/x
  3. Step 3: Cross multiply
    3,025.77x = 4,175.76 × 1,681.53
  4. Step 4: Simplify right side
    3,025.77x = 7,021,665.71
  5. Step 5: Solve for x
    x = 7,021,665.71/3,025.77
  6. Step 6: Final answer
    x = 2,320.62

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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.