Home / 4,998.15-6,898.28-3,807.05

Finding the Fourth Proportional to 4,998.15, 6,898.28 and 3,807.05

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Solution

The fourth proportional to 4,998.15, 6,898.28 and 3,807.05 is: 5,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.15 : 6,898.28 = 3,807.05 : x
  2. Step 2: Convert to fraction form
    4,998.15/6,898.28 = 3,807.05/x
  3. Step 3: Cross multiply
    4,998.15x = 6,898.28 × 3,807.05
  4. Step 4: Simplify right side
    4,998.15x = 26,262,043.35
  5. Step 5: Solve for x
    x = 26,262,043.35/4,998.15
  6. Step 6: Final answer
    x = 5,254.35

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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.