Home / 7,779.03-10,735.14-4,242.32

Finding the Fourth Proportional to 7,779.03, 10,735.14 and 4,242.32

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Solution

The fourth proportional to 7,779.03, 10,735.14 and 4,242.32 is: 5,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.03 : 10,735.14 = 4,242.32 : x
  2. Step 2: Convert to fraction form
    7,779.03/10,735.14 = 4,242.32/x
  3. Step 3: Cross multiply
    7,779.03x = 10,735.14 × 4,242.32
  4. Step 4: Simplify right side
    7,779.03x = 45,541,899.12
  5. Step 5: Solve for x
    x = 45,541,899.12/7,779.03
  6. Step 6: Final answer
    x = 5,854.44

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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.