Home / 4,690.95-7,039.88-2,225.77

Finding the Fourth Proportional to 4,690.95, 7,039.88 and 2,225.77

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Solution

The fourth proportional to 4,690.95, 7,039.88 and 2,225.77 is: 3,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.95 : 7,039.88 = 2,225.77 : x
  2. Step 2: Convert to fraction form
    4,690.95/7,039.88 = 2,225.77/x
  3. Step 3: Cross multiply
    4,690.95x = 7,039.88 × 2,225.77
  4. Step 4: Simplify right side
    4,690.95x = 15,669,153.71
  5. Step 5: Solve for x
    x = 15,669,153.71/4,690.95
  6. Step 6: Final answer
    x = 3,340.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.