Home / 7,779.59-10,735.56-4,422.54

Finding the Fourth Proportional to 7,779.59, 10,735.56 and 4,422.54

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Solution

The fourth proportional to 7,779.59, 10,735.56 and 4,422.54 is: 6,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.59 : 10,735.56 = 4,422.54 : x
  2. Step 2: Convert to fraction form
    7,779.59/10,735.56 = 4,422.54/x
  3. Step 3: Cross multiply
    7,779.59x = 10,735.56 × 4,422.54
  4. Step 4: Simplify right side
    7,779.59x = 47,478,443.52
  5. Step 5: Solve for x
    x = 47,478,443.52/7,779.59
  6. Step 6: Final answer
    x = 6,102.95

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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.