Home / 7,788.90-10,748.61-4,803.54

Finding the Fourth Proportional to 7,788.90, 10,748.61 and 4,803.54

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Solution

The fourth proportional to 7,788.90, 10,748.61 and 4,803.54 is: 6,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.90 : 10,748.61 = 4,803.54 : x
  2. Step 2: Convert to fraction form
    7,788.90/10,748.61 = 4,803.54/x
  3. Step 3: Cross multiply
    7,788.90x = 10,748.61 × 4,803.54
  4. Step 4: Simplify right side
    7,788.90x = 51,631,378.08
  5. Step 5: Solve for x
    x = 51,631,378.08/7,788.90
  6. Step 6: Final answer
    x = 6,628.84

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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.