Home / 7,495.74-10,343.97-4,138.35

Finding the Fourth Proportional to 7,495.74, 10,343.97 and 4,138.35

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Solution

The fourth proportional to 7,495.74, 10,343.97 and 4,138.35 is: 5,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.74 : 10,343.97 = 4,138.35 : x
  2. Step 2: Convert to fraction form
    7,495.74/10,343.97 = 4,138.35/x
  3. Step 3: Cross multiply
    7,495.74x = 10,343.97 × 4,138.35
  4. Step 4: Simplify right side
    7,495.74x = 42,806,968.25
  5. Step 5: Solve for x
    x = 42,806,968.25/7,495.74
  6. Step 6: Final answer
    x = 5,710.84

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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.