Home / 3,803.48-5,248.46-2,124.74

Finding the Fourth Proportional to 3,803.48, 5,248.46 and 2,124.74

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Solution

The fourth proportional to 3,803.48, 5,248.46 and 2,124.74 is: 2,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.48 : 5,248.46 = 2,124.74 : x
  2. Step 2: Convert to fraction form
    3,803.48/5,248.46 = 2,124.74/x
  3. Step 3: Cross multiply
    3,803.48x = 5,248.46 × 2,124.74
  4. Step 4: Simplify right side
    3,803.48x = 11,151,612.90
  5. Step 5: Solve for x
    x = 11,151,612.90/3,803.48
  6. Step 6: Final answer
    x = 2,931.95

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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.