Home / 7,029.56-9,700.79-4,045.32

Finding the Fourth Proportional to 7,029.56, 9,700.79 and 4,045.32

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Solution

The fourth proportional to 7,029.56, 9,700.79 and 4,045.32 is: 5,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.56 : 9,700.79 = 4,045.32 : x
  2. Step 2: Convert to fraction form
    7,029.56/9,700.79 = 4,045.32/x
  3. Step 3: Cross multiply
    7,029.56x = 9,700.79 × 4,045.32
  4. Step 4: Simplify right side
    7,029.56x = 39,242,779.58
  5. Step 5: Solve for x
    x = 39,242,779.58/7,029.56
  6. Step 6: Final answer
    x = 5,582.54

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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.