Home / 5,635.95-7,779.29-3,646.46

Finding the Fourth Proportional to 5,635.95, 7,779.29 and 3,646.46

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Solution

The fourth proportional to 5,635.95, 7,779.29 and 3,646.46 is: 5,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.95 : 7,779.29 = 3,646.46 : x
  2. Step 2: Convert to fraction form
    5,635.95/7,779.29 = 3,646.46/x
  3. Step 3: Cross multiply
    5,635.95x = 7,779.29 × 3,646.46
  4. Step 4: Simplify right side
    5,635.95x = 28,366,812.68
  5. Step 5: Solve for x
    x = 28,366,812.68/5,635.95
  6. Step 6: Final answer
    x = 5,033.19

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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.