Home / 3,328.16-4,593.60-1,931.12

Finding the Fourth Proportional to 3,328.16, 4,593.60 and 1,931.12

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Solution

The fourth proportional to 3,328.16, 4,593.60 and 1,931.12 is: 2,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.16 : 4,593.60 = 1,931.12 : x
  2. Step 2: Convert to fraction form
    3,328.16/4,593.60 = 1,931.12/x
  3. Step 3: Cross multiply
    3,328.16x = 4,593.60 × 1,931.12
  4. Step 4: Simplify right side
    3,328.16x = 8,870,792.83
  5. Step 5: Solve for x
    x = 8,870,792.83/3,328.16
  6. Step 6: Final answer
    x = 2,665.37

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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.