Home / 3,503.18-4,834.38-1,931.28

Finding the Fourth Proportional to 3,503.18, 4,834.38 and 1,931.28

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Solution

The fourth proportional to 3,503.18, 4,834.38 and 1,931.28 is: 2,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.18 : 4,834.38 = 1,931.28 : x
  2. Step 2: Convert to fraction form
    3,503.18/4,834.38 = 1,931.28/x
  3. Step 3: Cross multiply
    3,503.18x = 4,834.38 × 1,931.28
  4. Step 4: Simplify right side
    3,503.18x = 9,336,541.41
  5. Step 5: Solve for x
    x = 9,336,541.41/3,503.18
  6. Step 6: Final answer
    x = 2,665.16

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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.