Home / 5,779.68-8,665.70-2,970.29

Finding the Fourth Proportional to 5,779.68, 8,665.70 and 2,970.29

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Solution

The fourth proportional to 5,779.68, 8,665.70 and 2,970.29 is: 4,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.68 : 8,665.70 = 2,970.29 : x
  2. Step 2: Convert to fraction form
    5,779.68/8,665.70 = 2,970.29/x
  3. Step 3: Cross multiply
    5,779.68x = 8,665.70 × 2,970.29
  4. Step 4: Simplify right side
    5,779.68x = 25,739,583.87
  5. Step 5: Solve for x
    x = 25,739,583.87/5,779.68
  6. Step 6: Final answer
    x = 4,453.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.