Home / 7,779.68-10,735.53-4,422.02

Finding the Fourth Proportional to 7,779.68, 10,735.53 and 4,422.02

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Solution

The fourth proportional to 7,779.68, 10,735.53 and 4,422.02 is: 6,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.68 : 10,735.53 = 4,422.02 : x
  2. Step 2: Convert to fraction form
    7,779.68/10,735.53 = 4,422.02/x
  3. Step 3: Cross multiply
    7,779.68x = 10,735.53 × 4,422.02
  4. Step 4: Simplify right side
    7,779.68x = 47,472,755.21
  5. Step 5: Solve for x
    x = 47,472,755.21/7,779.68
  6. Step 6: Final answer
    x = 6,102.15

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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.