Home / 7,490.84-10,337.34-4,133.68

Finding the Fourth Proportional to 7,490.84, 10,337.34 and 4,133.68

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Solution

The fourth proportional to 7,490.84, 10,337.34 and 4,133.68 is: 5,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.84 : 10,337.34 = 4,133.68 : x
  2. Step 2: Convert to fraction form
    7,490.84/10,337.34 = 4,133.68/x
  3. Step 3: Cross multiply
    7,490.84x = 10,337.34 × 4,133.68
  4. Step 4: Simplify right side
    7,490.84x = 42,731,255.61
  5. Step 5: Solve for x
    x = 42,731,255.61/7,490.84
  6. Step 6: Final answer
    x = 5,704.47

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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.