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Finding the Fourth Proportional to 7,398.84, 10,210.76 and 4,041.90

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Solution

The fourth proportional to 7,398.84, 10,210.76 and 4,041.90 is: 5,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.84 : 10,210.76 = 4,041.90 : x
  2. Step 2: Convert to fraction form
    7,398.84/10,210.76 = 4,041.90/x
  3. Step 3: Cross multiply
    7,398.84x = 10,210.76 × 4,041.90
  4. Step 4: Simplify right side
    7,398.84x = 41,270,865.79
  5. Step 5: Solve for x
    x = 41,270,865.79/7,398.84
  6. Step 6: Final answer
    x = 5,578.02

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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.