Home / 7,746.98-10,690.39-4,210.17

Finding the Fourth Proportional to 7,746.98, 10,690.39 and 4,210.17

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Solution

The fourth proportional to 7,746.98, 10,690.39 and 4,210.17 is: 5,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.98 : 10,690.39 = 4,210.17 : x
  2. Step 2: Convert to fraction form
    7,746.98/10,690.39 = 4,210.17/x
  3. Step 3: Cross multiply
    7,746.98x = 10,690.39 × 4,210.17
  4. Step 4: Simplify right side
    7,746.98x = 45,008,359.27
  5. Step 5: Solve for x
    x = 45,008,359.27/7,746.98
  6. Step 6: Final answer
    x = 5,809.79

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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.