Home / 7,362.80-10,159.74-4,977.96

Finding the Fourth Proportional to 7,362.80, 10,159.74 and 4,977.96

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Solution

The fourth proportional to 7,362.80, 10,159.74 and 4,977.96 is: 6,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.80 : 10,159.74 = 4,977.96 : x
  2. Step 2: Convert to fraction form
    7,362.80/10,159.74 = 4,977.96/x
  3. Step 3: Cross multiply
    7,362.80x = 10,159.74 × 4,977.96
  4. Step 4: Simplify right side
    7,362.80x = 50,574,779.33
  5. Step 5: Solve for x
    x = 50,574,779.33/7,362.80
  6. Step 6: Final answer
    x = 6,868.96

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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.