Home / 4,937.60-6,815.52-3,931.16

Finding the Fourth Proportional to 4,937.60, 6,815.52 and 3,931.16

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Solution

The fourth proportional to 4,937.60, 6,815.52 and 3,931.16 is: 5,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.60 : 6,815.52 = 3,931.16 : x
  2. Step 2: Convert to fraction form
    4,937.60/6,815.52 = 3,931.16/x
  3. Step 3: Cross multiply
    4,937.60x = 6,815.52 × 3,931.16
  4. Step 4: Simplify right side
    4,937.60x = 26,792,865.53
  5. Step 5: Solve for x
    x = 26,792,865.53/4,937.60
  6. Step 6: Final answer
    x = 5,426.29

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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.