Home / 7,631.84-10,530.54-4,274.70

Finding the Fourth Proportional to 7,631.84, 10,530.54 and 4,274.70

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Solution

The fourth proportional to 7,631.84, 10,530.54 and 4,274.70 is: 5,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.84 : 10,530.54 = 4,274.70 : x
  2. Step 2: Convert to fraction form
    7,631.84/10,530.54 = 4,274.70/x
  3. Step 3: Cross multiply
    7,631.84x = 10,530.54 × 4,274.70
  4. Step 4: Simplify right side
    7,631.84x = 45,014,899.34
  5. Step 5: Solve for x
    x = 45,014,899.34/7,631.84
  6. Step 6: Final answer
    x = 5,898.31

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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.